Why Vitamin D Matters When Your Muscles Aren't Moving
When you're stuck in bed or can't move for a while, your muscles get smaller and weaker—that's called disuse atrophy. Scientists discovered that vitamin D …
Read Morevitamin D deficiency
All content tagged with "vitamin D deficiency"
Vitamin D May Play a Key Role in Getting Pregnant
Scientists discovered that vitamin D might be important for helping women get pregnant. When mice didn't have enough vitamin D, their bodies couldn't prepare …
Read MoreMost Hawaii Military Babies Have Healthy Vitamin D Levels
Researchers tested vitamin D levels in 30 healthy babies around 4 months old at a military hospital in Hawaii. They found that 90% of the babies had enough …
Read MoreWhy Some Diabetics Get Severe Joint Damage and How to Prevent It
A devastating complication called Charcot arthropathy affects less than 1% of people with diabetic nerve damage, but when it happens, it causes severe joint …
Read MoreHow Vitamin D Helps Your Immune System Fight Disease
Vitamin D does much more than just strengthen bones—it's like a coach for your immune system. Scientists have discovered that vitamin D helps control how your …
Read MoreVitamin D May Help Some Kids With Heart Rhythm Problems
Researchers studied whether vitamin D supplements could help children who have extra heartbeats caused by vitamin D deficiency. They looked at 46 children with …
Read MoreDoes Vitamin D Help With COVID-19? A Large Study Has Answers
Researchers wanted to know if taking extra vitamin D could help people recover faster from COVID-19 or prevent it from spreading to family members. They gave …
Read MoreLow Vitamin D Linked to Serious Blood Infections
Researchers reviewed 19 major studies involving over 300 smaller research projects to understand how vitamin D affects sepsis—a life-threatening blood …
Read MoreDoes Gut Bacteria Overgrowth Really Affect Your Blood Tests?
Researchers tested 162 adults to see if having too many bacteria in the small intestine (a condition called SIBO) actually changes blood test results. While …
Read MoreWhy Some Women After Menopause Get Weak Bones in Their Spine
Researchers studied 220 women past menopause to understand why some develop weak, cracked bones in their spine. They found that about one-third of these women …
Read More5 Health Factors That Raise Surgery Complication Risk
Researchers studied nearly 930,000 patients who had skin surgery to understand what health conditions make complications more likely. They found that smoking, …
Read MoreDoes Vitamin D Help Control Blood Sugar in Diabetes?
Researchers looked at 30 different studies involving 2,627 people with type 2 diabetes to see if taking vitamin D supplements could help control blood sugar …
Read MoreWhy Vitamin D Matters for Blood Clots in COVID-19
Researchers compared 113 COVID-19 patients and 97 people with Hepatitis C to understand how vitamin D affects blood platelets—tiny cells that help form clots. …
Read MoreWhy Kidney Transplant Patients Often Have Low Vitamin D
Researchers studied 304 people who received kidney transplants to understand how vitamin D levels affect their health. They found that 84% of these patients …
Read MoreLow Vitamin D May Make Prostate Cancer More Aggressive
Scientists discovered that not having enough vitamin D in your body can change how prostate cells develop and may make prostate cancer more dangerous. Using …
Read MoreVitamin D Genes May Affect Pregnancy Blood Sugar Risk
Researchers investigated whether certain genes related to vitamin D processing in the body might influence the risk of developing gestational diabetes—a type …
Read MoreLow Vitamin D May Worsen PCOS: What You Need to Know
Researchers studied whether low vitamin D levels are connected to polycystic ovary syndrome (PCOS), a common condition affecting reproductive health in women. …
Read MoreVitamin D Supplements May Help People With Low Levels
Researchers looked at whether taking vitamin D supplements helps people live longer. Two large studies found no benefit in people who already had enough …
Read MoreDoes Taking Vitamin D in Fall and Winter Help Athletes Run Better?
Researchers wanted to know if taking vitamin D supplements during the darker months could help people—especially runners—feel stronger and perform better. …
Read MoreHow Cholesterol and Vitamin D May Help Treat Psoriasis
Researchers are investigating how cholesterol and vitamin D work together in the body to affect psoriasis, a common skin condition that causes red, itchy …
Read MoreVitamin D May Help Stop Breast Cancer Cells from Growing
Scientists discovered that vitamin D works against breast cancer in a new way that wasn't understood before. When vitamin D levels are healthy, it changes how …
Read MoreVitamin D and Blood Sugar Control in Older Adults with Diabetes
Researchers studied 180 older adults (ages 60+) to understand how vitamin D levels affect blood sugar control and muscle health in people with type 2 diabetes. …
Read MoreYour Genes and Vitamin D: Why Some People Get Lupus
Researchers in India studied how vitamin D and genes work together to affect lupus risk. Lupus is a disease where the body's immune system attacks itself, …
Read MoreWhy Your Skin Needs Vitamin D: What Science Says
Vitamin D, often called the "sunshine vitamin," does much more than just keep your bones strong. New research shows it plays an important role in skin health …
Read MoreWhy Your Vitamin D Levels Matter for Thyroid Health
Scientists are discovering that vitamin D, a nutrient your body makes from sunlight, may play a bigger role in thyroid health than we thought. This review …
Read MoreWhy Your Baby's Vitamin D Test Results Might Change
Doctors use blood tests to check if babies have enough vitamin D, which is important for bone health. A Japanese hospital switched to a new testing method in …
Read MoreWhen Kids Have Multiple Immune System Diseases at Once
Doctors found something very rare in two children: they had multiple sclerosis (MS) along with several other autoimmune diseases at the same time. Autoimmune …
Read MoreCan Vitamin D Help Prevent Fibroids? What Science Shows
Uterine fibroids are common non-cancerous growths that affect many women, especially women of African descent. Scientists have discovered that vitamin D might …
Read MoreMom's Vitamin D Levels May Affect Autism Risk in Babies
Researchers studied whether a mother's low vitamin D during pregnancy and breastfeeding could affect how her babies' brains develop. Using mice, they found …
Read MoreWeekly Vitamin D Drops Help Babies Stay Healthy
Babies need vitamin D to build strong bones and stay healthy, but many don't get enough, especially in the first few months of life. Researchers looked at …
Read MoreVitamin D Pills May Help Control Blood Sugar in Diabetics
Researchers studied whether taking vitamin D supplements could help people with type 2 diabetes and extra weight manage their blood sugar better. Over 12 …
Read MoreCan Vitamin D Help Fight Tuberculosis?
Tuberculosis is a serious infection that affects millions of people worldwide, especially those with weakened immune systems. Scientists have noticed that many …
Read MoreHow Vitamin D Deficiency Damaged a Toddler's Heart
A 15-month-old child became seriously ill because of severe vitamin D deficiency, which caused their heart to become enlarged and weak—a condition called …
Read MoreVitamin D and Weight Before Pregnancy May Affect Diabetes Risk
Researchers studied nearly 1,000 pregnant women to understand how vitamin D levels and pre-pregnancy weight affect the risk of developing gestational diabetes …
Read MoreVitamin D Supplements Can Cause Dangerous Calcium Levels
A 53-year-old man experienced a serious health problem when doctors gave him vitamin D supplements. He had a condition called primary hyperparathyroidism, …
Read MoreToo Much or Too Little? Understanding Fat-Soluble Vitamins in Kids
Fat-soluble vitamins (A, D, E, and K) are essential nutrients that help children grow, fight infections, and develop properly. Unlike other vitamins that …
Read MoreHow Body Metals Affect Vitamin D Levels in Growing Teens
Researchers in China studied how different metals in the body connect to vitamin D levels in young teenagers. Vitamin D is crucial for bone health and immune …
Read MoreLow Vitamin D Linked to Heart Rhythm Problems
Researchers studied nearly 275,000 people to understand if low vitamin D levels increase the risk of atrial fibrillation, a condition where the heart beats …
Read MoreDoes Vitamin D Help Prevent Type 2 Diabetes?
Researchers in Finland followed adults over time to see if having enough vitamin D in their blood could help prevent type 2 diabetes. They measured vitamin D …
Read MoreShould Older Adults Take Vitamin D? What Science Says
As people get older, their bodies struggle to make and use vitamin D, a nutrient that helps bones stay strong and supports overall health. A major medical …
Read MorePoor Nutrition Linked to Bed Sores in Older Hospital Patients
Researchers studied 60 older adults in a hospital to understand why some develop painful bed sores (pressure ulcers) while others don't. They found that …
Read MoreVitamin D Levels May Affect Back Surgery Recovery
Researchers studied 154 people who had surgery for a common type of lower back problem called lumbar spinal canal stenosis. They found that 71% of these …
Read MoreWhy People With Sleep Apnea Often Have Low Vitamin D
Researchers studied people who are overweight and have obstructive sleep apnea (a condition where breathing stops during sleep) to understand why many of them …
Read MoreVitamin D Boost Helps Kids Recover Better After Spine Surgery
Researchers studied 47 kids and teens with curved spines who had surgery to straighten them. They found that kids who didn't have enough vitamin D before …
Read MoreWhy Kids With Headaches May Have Trouble Focusing
Researchers studied 82 children to understand why some kids with headaches have trouble paying attention and staying focused. They found that children with …
Read MoreSeizure Medications May Weaken Bones in Children
Researchers followed 65 children with epilepsy for one year to see how seizure medications affected their bone health. They found that children taking these …
Read MoreWhy Vitamin D Matters for Teen Blood Sugar Control
Researchers studied nearly 3,800 Korean teenagers to understand how vitamin D affects their body's ability to control blood sugar. They found that most teens …
Read MoreLow Vitamin D Linked to Higher COPD Risk and Worse Outcomes
A major study following nearly 328,000 people in the UK found that those with low vitamin D levels were significantly more likely to develop COPD (a serious …
Read MoreYounger Women Need More Vitamin D After Weight Loss Surgery
When women have weight loss surgery, their bodies struggle to absorb vitamin D and calcium, especially if they're under 45 years old. Researchers studied 305 …
Read MoreUnusual Hip Fractures Can Happen Without Bone-Strengthening Drugs
Researchers studied 21 older adults who experienced unusual hip fractures without taking bisphosphonates—drugs commonly used to strengthen bones. They found …
Read MoreWhy So Many People in Portugal Don't Get Enough Vitamin D
A new review of research shows that vitamin D deficiency is a major health problem in Portugal, affecting a large portion of the population. Vitamin D is …
Read MoreVitamin D and COVID-19: What the Latest Research Says
Scientists are debating whether vitamin D levels affect how severe COVID-19 becomes. This article is a response to another researcher's concerns about the …
Read MoreKids With Leg Fractures Have Lower Vitamin D Levels
Researchers studied vitamin D levels in children and teens who had broken bones. They found that kids with fractures above the ankle (like thigh or shin …
Read MoreLow Vitamin D Linked to Worse Asthma in Kids
Researchers studied 210 children with asthma to see if vitamin D levels affected how well they controlled their condition. They found that nearly half of the …
Read MoreVitamin D Deficiency Linked to Nighttime Bathroom Trips
Researchers analyzed 17 studies involving thousands of people to understand the connection between vitamin D levels and nighttime urination problems. They …
Read MoreVegetarian Diets and Vitamin D: What the Science Actually Shows
A new analysis questions whether vegetarian and vegan diets really cause vitamin D deficiency, as some nutrition experts have claimed. Researchers examined the …
Read MoreLow Vitamin D During Pregnancy May Increase Diabetes Risk
Researchers in Bangladesh studied 200 pregnant women to understand if vitamin D levels affect the chances of developing gestational diabetes—a type of diabetes …
Read MoreHow Vitamin D Deficiency Can Damage a Child's Heart
Doctors are discovering that severe vitamin D deficiency can cause serious heart problems in children, a condition that's often missed or overlooked. Vitamin D …
Read MoreLow Vitamin D Before Surgery Linked to More Infections
Researchers in Qatar looked at nearly 24,000 patients who had surgery to see if vitamin D levels affected their risk of getting infections at the surgical site …
Read MoreLow Vitamin D May Increase Long COVID Risk
Researchers studied 170 people who had COVID-19 to understand if vitamin D levels affect long COVID—the condition where symptoms continue months after …
Read MoreCan Vitamin D in Food Help Keep Bones Strong?
Researchers looked at 14 studies to see if adding vitamin D to everyday foods like milk, cereal, and oil could help prevent weak bones (osteoporosis). Most …
Read MoreNew AI Tool Predicts Hair Loss from Scalp Condition
Researchers created an artificial intelligence tool that can predict which patients with lichen planopilaris (a rare scalp disease causing permanent hair loss) …
Read MoreWhy Vitamin D Matters More for Older Adults' Health
Researchers studied 439 older adults (ages 65-100) receiving home care to understand how vitamin D levels connect to their overall health and body …
Read MoreDoes Low Vitamin D Increase Thyroid Cancer Risk?
Researchers combined results from 23 different studies to see if vitamin D levels affect thyroid cancer risk. They found that people with thyroid cancer tend …
Read MoreVitamin D May Help Protect Liver Health in Type 2 Diabetes
Researchers studied how vitamin D affects the liver in people with type 2 diabetes. Using rats with diabetes, they found that the disease causes harmful …
Read MoreWhy Kids With Celiac Disease Need More Vitamin D
Researchers in Uzbekistan studied 60 children with celiac disease and compared them to 31 healthy children. Even though Uzbekistan gets over 300 sunny days per …
Read MoreHow Low Vitamin D Can Look Like Bone Cancer in Teens
Doctors sometimes mistake severe vitamin D deficiency for bone tumors in teenagers because the symptoms and imaging results can look very similar. This case …
Read MoreCan Vitamin D Stop Kids From Getting Asthma?
Researchers looked at 18 studies involving over 10,000 people to see if vitamin D supplements could help prevent asthma in children. They found that giving …
Read MoreHow Poor Nutrition Affects How Your Eyes React to Light
Researchers studied how malnutrition affects the pupils (the black circles in the center of your eyes) in children. They compared 92 eyes from malnourished …
Read MoreBaby's Vomiting Led to Rare Bone Disease Discovery
A 9-month-old baby came to the hospital with vomiting after meals for a week. Doctors discovered the real problem wasn't his stomach—it was a serious lack of …
Read MoreVitamin D and Thyroid Disease: What You Need to Know
Researchers reviewed how vitamin D affects Hashimoto's thyroiditis, a condition where the body's immune system attacks the thyroid gland. Many people with this …
Read MoreWhy Doctors Check Bone Health After Hip Fractures in Older Adults
When older adults break their hip bone, doctors are increasingly checking for weak bones and vitamin D deficiency—conditions that may have caused the fracture …
Read MoreDoes Vitamin D Affect Mouth Lichen Planus? New Study Investigates
Researchers in Pakistan studied 44 patients with oral lichen planus, a condition that causes painful sores and irritation inside the mouth. They measured …
Read MoreLow Vitamin D Linked to Worse Knee Arthritis in New Study
Researchers studied nearly 1,000 people with knee arthritis to understand how vitamin D deficiency affects their condition. They found that about 7 out of 10 …
Read MoreTwo Hidden Health Problems That Raise Death Risk in Diabetics
Researchers studied nearly 28 million people with diabetes to understand how two conditions—high uric acid levels and severe vitamin D deficiency—affect how …
Read MoreLow Vitamin D Linked to Worse Blood Sugar Control in Diabetes
Researchers studied 148 adults with type 2 diabetes to understand how vitamin D levels affect blood sugar control and heart health. They found that people with …
Read MoreVitamin D May Help Fight Anemia Caused by Body Inflammation
Researchers discovered that vitamin D might help treat a type of anemia (low red blood cells) caused by inflammation in the body. Using lab cells and rats, …
Read MoreWhy Some Kids Get Bent Knees: A Vitamin D Discovery
Researchers studied children with bent knees to figure out why it happens. They found that kids with bent knees were more likely to have low vitamin D levels …
Read MoreAir Pollution May Lower Your Vitamin D Levels
Researchers studied nearly 7,000 Chinese adults to understand how air pollution affects vitamin D, a nutrient your body needs for strong bones and a healthy …
Read MoreLow Vitamin D Linked to Early Puberty in Children
Researchers studied whether vitamin D levels affect when children go through puberty. They compared 494 children experiencing early puberty with 2,259 healthy …
Read MoreLow Vitamin D May Be Linked to PCOS in Women
Researchers studied 1,368 women to understand the connection between vitamin D levels and PCOS, a common hormonal condition affecting women's reproductive …
Read MoreNew Ways Doctors Are Treating Rickets in Kids
Rickets is a bone disease that affects children worldwide, making their bones weak and soft because their bodies aren't properly using calcium and phosphate. …
Read MoreNew Quick Blood Test for Vitamin D Shows Promise But Needs Work
Researchers tested a new fast way to measure vitamin D levels in blood using just a tiny finger-prick sample. They compared it to the gold-standard laboratory …
Read MoreGood News: More People Have Healthy Vitamin D Levels in Japan
Researchers in Japan tracked vitamin D levels in thousands of people over 10 years and found something encouraging: fewer people have dangerously low vitamin D …
Read MoreCan Vitamin D Help Prevent and Manage Diabetes?
Researchers reviewed what we know about vitamin D's role in three types of diabetes: type 1, type 2, and gestational diabetes (which happens during pregnancy). …
Read MoreVitamin D Levels During Pregnancy May Affect Blood Health
Researchers studied 103 pregnant women to understand how vitamin D levels affect their blood health and their babies' development. They found that pregnant …
Read MoreCan Extra Vitamin D Help Fix Your Immune System?
Scientists are investigating whether taking high doses of vitamin D might help people with autoimmune diseases—conditions where the body's defense system …
Read MoreWhat Pregnant Women Really Eat: A Study of Nutrition Changes
Researchers in Brazil followed pregnant women and new mothers to see how their eating habits changed from pregnancy through 8.5 months after birth. They found …
Read MoreWhy Some Kids Can't Get Enough Vitamin D (Even in the Sun)
Researchers discovered that some children don't get enough vitamin D not just because they avoid the sun or eat poorly, but because their immune system is …
Read MoreHow Doctors Measure Vitamin D in Kids Changes Everything
Researchers in China tested vitamin D levels in over 1,100 young children and discovered something surprising: whether a child is considered to have enough …
Read MoreVitamin D Levels May Help You Live Longer, Especially in Middle Age
Researchers studied nearly 47,500 people to understand how vitamin D affects how long we live. They found that people with healthy vitamin D levels had a lower …
Read MoreVitamin D vs Pain Pills: Which Works Better for Jaw Pain?
Researchers compared two treatments for people with jaw muscle pain who also had low vitamin D levels. One group took a common pain medication (diclofenac) …
Read MoreWhy Your Genes Affect How Your Body Uses Vitamin D
Scientists discovered that your genes play a bigger role in vitamin D processing than doctors previously thought. Using seven different mouse strains, …
Read MoreLow Vitamin D Linked to Fatty Liver Disease in Overweight Adults
Researchers studied 201 adults with extra weight to understand how vitamin D levels affect fatty liver disease. They found that people with low vitamin D were …
Read MoreWhy Older Adults from Minority Communities Need More Vitamin D Help
Researchers in East London talked to nine older adults from minority ethnic backgrounds to understand what they know about vitamin D and why they might not get …
Read MoreNew Drug Candidates Could Help Asthma Patients Keep Vitamin D Benefits
Asthma medications called corticosteroids are very helpful at reducing inflammation in the airways, but they have an unwanted side effect: they speed up the …
Read MoreHow Your Body Controls Vitamin D: A Key Protein That Keeps Levels in Balance
Scientists have discovered that a protein called CYP24A1 acts like an "off switch" for vitamin D in your body. This protein breaks down active vitamin D into …
Read MoreWhy Ambulance Workers Need More Vitamin D
Ambulance staff work irregular shifts, spend lots of time indoors, and often work at night—all things that can lower vitamin D levels in the body. Researchers …
Read MoreWhy Kids with Kidney Disease Need More Vitamins
Researchers studied 575 children with chronic kidney disease to understand which vitamins and minerals they weren't getting enough of. They found that 9 out of …
Read MoreVitamin D Boosts Sexual Health in Women With PCOS
Researchers studied 70 women with PCOS (a common hormone condition) who didn't have enough vitamin D. Half received birth control pills plus vitamin D …
Read MoreLow Vitamin D May Increase Pain Problems After Arm and Leg Breaks
Researchers studied nearly 3 million people who broke their arms or legs to understand if low vitamin D levels made their recovery harder. They found that …
Read MoreAdding Vitamins to Oil and Milk Could Help Millions of Indian Children
Millions of children in India don't get enough Vitamin A and Vitamin D, even though the government has guidelines to prevent this. Researchers studied whether …
Read MoreLow Vitamin D and Thyroid Problems: Are They Connected?
Researchers wanted to know if people with low vitamin D are more likely to have thyroid problems. They compared 53 people with a mild thyroid condition called …
Read MoreDoes Daily Sunscreen Lower Your Vitamin D Levels?
Researchers in Australia wanted to know if using sunscreen every day actually prevents your body from making vitamin D. They followed 628 people for a …
Read MoreUnderstanding Vitamin D and Parathyroid Surgery Complications
This research note corrects important information about a case where a patient had complications after parathyroid surgery. The original study looked at how …
Read MoreWhy Vitamin D Matters for Keeping Preschoolers Healthy
Researchers studied over 3,300 American preschoolers to understand how vitamin D affects their chances of getting colds and respiratory infections. They found …
Read MoreNew Way to Measure Vitamin D in Korean People
Scientists in Korea discovered a better way to measure vitamin D in people's blood. They tested over 11,000 Koreans and found a special form of vitamin D …
Read MoreWhy Many Hispanic Adults Don't Get Enough Vitamin D
Researchers studied over 13,000 Hispanic and Latino adults to understand how much vitamin D they were getting from food and supplements. They found that most …
Read MoreVitamin D: Your Secret Weapon for Healthy Gums
A new review in the British Dental Journal explores how vitamin D might help keep your gums and teeth healthy. Vitamin D is a nutrient your body makes when …
Read MoreWhy Vitamin D Levels Matter During COVID-19
Researchers studied vitamin D levels in nearly 18,000 patients in London during the early COVID-19 pandemic. They found that people with low vitamin D were …
Read MoreWhy Vitamin D Matters More Than You Think
Vitamin D does more in your body than just help with bones and calcium. Scientists are discovering that low vitamin D levels are connected to many different …
Read MoreVitamin D Pills Help College Students Think Better
Researchers in the United Arab Emirates studied whether vitamin D supplements could help college students who don't get enough of this important nutrient. They …
Read MoreWhy Some People Get Better Relief From Nerve Pain Treatment Than Others
Researchers studied 30 patients with a common nerve problem in the thigh called meralgia paresthetica who received a special pain treatment using …
Read MoreDo Kids With Pseudotumor Cerebri Really Need All Those Blood Tests?
Pseudotumor cerebri is a condition where kids get severe headaches because of extra fluid pressure in their brain, even though there's no actual tumor. Doctors …
Read MoreVitamin D Supplements Help Older Adults Recover From Hip Fractures
When older adults break their hip, they often have very low vitamin D levels, which can slow their healing. Researchers tested two different ways of giving …
Read MoreCan Vitamin D Help Prevent Diabetic Emergencies?
Researchers are investigating whether vitamin D plays a role in preventing serious diabetes complications called ketosis and ketoacidosis. These conditions …
Read MoreNew Clues About Vitamin D and Breast Cancer Risk
Researchers studied a protein called osteoprotegerin and its connection to breast cancer, along with vitamin D and calcium levels. They compared blood samples …
Read MoreWhy Kids With Leukemia Often Have Low Vitamin D Levels
Researchers studied 90 children to understand the connection between vitamin D and a common childhood cancer called acute lymphoblastic leukemia (ALL). They …
Read MoreWhy Older Adults Feel So Tired: The Vitamin D Connection
Researchers studied 273 people to understand why some older adults feel exhausted all the time. They compared healthy older people, frail older people, older …
Read MoreCan Vitamin D Help Protect You From Severe COVID-19?
Researchers reviewed studies about vitamin D and COVID-19 to understand if low vitamin D levels make the disease worse. They found that people with COVID-19 …
Read MoreUnderstanding Genetic Rickets: What Happens When Bones Don't Grow Right
Rickets is a bone disease that affects children when their bodies can't properly build strong bones. This happens because of problems with vitamin D, calcium, …
Read MoreLow Vitamin D May Be Linked to Hearing Problems in Meniere's Disease
Researchers discovered that people with Meniere's disease—a condition affecting the inner ear that causes dizziness and hearing loss—tend to have lower vitamin …
Read MoreVitamin D Genes May Affect Multiple Sclerosis Risk
Scientists in Jordan studied whether certain variations in the vitamin D receptor gene might make some people more likely to develop multiple sclerosis (MS), a …
Read MoreA Simple Heart Test May Predict if Vitamin D Helps Kids with POTS
Researchers studied 65 children with POTS (a condition that causes dizziness and fast heartbeat when standing) and compared them to 102 healthy children. They …
Read MoreWhy People With Lupus Have Lower Vitamin D Receptor Levels
Researchers studied a protein called vitamin D receptor (VDR) in people with lupus, an autoimmune disease where the body attacks its own tissues. They compared …
Read MoreWhy Low Vitamin D May Harm Your Heart During Sleep
A new study explores how vitamin D deficiency might damage the nervous system that controls your heart, especially in people with sleep apnea—a condition where …
Read MoreWhy So Many Indians Don't Have Enough Vitamin D
A large survey of over 20,000 doctors across India found that vitamin D deficiency is extremely common, affecting about half to all of their patients. Doctors …
Read MoreWhy Vitamin D Matters for Your Gut Health as You Age
As we get older, our bodies naturally change, including how our digestive system works. Scientists discovered that vitamin D plays a crucial role in keeping …
Read MoreLow Vitamin D May Be Linked to Fibroids in Women Trying to Get Pregnant
Researchers studied 148 women trying to conceive and found that those with uterine fibroids (non-cancerous growths in the uterus) had significantly lower …
Read MoreWhy Vitamin D2 May Lower Your D3 Levels
Scientists reviewed 20 studies comparing two types of vitamin D supplements: D2 and D3. They found something surprising: when people took vitamin D2 …
Read MoreMost Pregnant Women Don't Get Enough Vitamin D
Researchers looked at over 127,000 pregnant women across 116 studies to understand how common vitamin D deficiency is during pregnancy. They found that vitamin …
Read MoreMost Joint Surgery Patients Have Low Vitamin D Levels
Researchers in China discovered that about 3 out of 4 people getting hip or knee replacement surgery have low vitamin D levels in their blood. This is …
Read MoreWhy Low Vitamin D Might Be Making Your Kid So Tired
Researchers are discovering that many tired children might actually be lacking vitamin D, a nutrient their bodies need to work properly. This study looks at …
Read MoreWhy People With HIV Need to Check Their Vitamin D Levels
People living with HIV often face liver problems, and many of them also don't have enough vitamin D in their bodies. Scientists reviewed research to understand …
Read MoreWhy Romanian Doctors Are Testing Kids for Vitamin D Deficiency
Researchers in Romania studied whether testing children for vitamin D deficiency actually helps catch the problem early. They looked at nearly 3,600 children …
Read MoreMost UK Kids Don't Get Enough Vitamin D, Study Finds
Researchers checked vitamin D levels in nearly 4,700 British children between 2004 and 2007 and found that about 7 out of 10 kids weren't getting enough of …
Read MoreGene Variants May Affect How Well Iron Medicine Works in Blood Disorder Patients
Researchers studied 44 patients with thalassemia major, a serious blood disorder that requires regular blood transfusions and iron-removing medicine. They …
Read MoreLow Vitamin D May Increase Risk of Chronic Pain After Bone Breaks
Researchers studied a large group of patients who broke bones in their arms or legs to understand why some developed a painful condition called complex …
Read MoreWhy Young Adults in Cameroon Are Gaining Weight
Researchers in Cameroon studied 357 adults to understand weight problems and their connection to vitamin D. They found that more than 6 out of 10 people were …
Read MoreVitamin D and a Hormone Called Prolactin May Be Connected in Diabetes
Researchers studied 221 men with type 2 diabetes to understand how vitamin D levels affect a hormone called prolactin. They found that most of the men didn't …
Read MoreWhy More People Are Getting Vitamin D Tests and What It Means
Researchers in Taiwan looked at 10 years of medical records to understand who was getting vitamin D tests and whether testing helped people improve their …
Read MoreIron and Vitamin D Gaps May Boost Heart Disease Risk in Asia
Heart disease is becoming more common across Asia, and researchers are investigating why. A new study suggests that two nutritional deficiencies—not having …
Read MoreBladder Infections May Weaken Your Bones Through Body-Wide Inflammation
Researchers discovered that repeated urinary tract infections caused by E. coli bacteria may affect more than just your bladder—they appear to weaken bones …
Read MoreKidney Transplant Patients: Don't Miss This Hidden Bone Problem
After receiving a kidney transplant, some patients develop a serious bone condition called osteomalacia, which happens when bones don't get enough vitamin D …
Read MoreMany Dutch Adults Still Don't Have Enough Vitamin D
Researchers in the Netherlands checked vitamin D levels in over 1,000 adults and found that while things have improved since 2011, many people—especially older …
Read MoreDoes Vitamin D Help Prevent Memory Loss? What Science Shows
Researchers combined results from 22 studies involving over 53,000 people to understand if vitamin D affects dementia risk. They found that people with low …
Read MoreWhy Vitamin D Levels Matter for Lupus Patients
Researchers studied 158 people newly diagnosed with lupus to understand how vitamin D affects their immune system. They found that people with lupus often have …
Read MoreWhy Good Nutrition Matters More as We Get Older
Researchers studied nearly 2,000 older adults over six years to understand how nutrition affects how long people live. They found that older people who weren't …
Read MoreHow Men and Women Show Different Early Signs of Getting Frail
As people get older, some develop a condition called frailty that makes everyday activities harder. Scientists studied over 1,500 people aged 60 and older to …
Read MoreWhy Teens Feel Sadder in Winter: A Science Explanation
Researchers studied over 6,000 Chinese teenagers to understand why their moods change with the seasons. They found that winter brings the most depression and …
Read MoreA Gene Mutation That May Affect Vitamin D and MS Risk
Scientists discovered that a tiny change in a gene called CYP27B1 might make it harder for your body to use vitamin D properly. This gene is important for …
Read MoreWhy Multiple Sclerosis Is Rising in the UAE
Multiple sclerosis, a disease that affects the brain and nerves, is becoming more common in the United Arab Emirates. Scientists reviewed what they know about …
Read MoreWhy Some Polio Survivors Get Sicker Later in Life
Researchers studied 80 people with Post-Polio Syndrome (a condition where polio survivors experience new weakness decades later) and compared them to family …
Read MoreDoes Back Disease Cause Low Vitamin D? New Study Has Answers
Researchers compared vitamin D levels in over 8,400 people to see if back problems increase the risk of vitamin D deficiency. They found that while vitamin D …
Read MoreCan Vitamin D Help Fight Colorectal Cancer?
Researchers reviewed 33 studies to understand how vitamin D affects colorectal cancer. They found that people with low vitamin D levels may have worse cancer …
Read MoreCould Vitamin D Help Reduce Pain After Stomach Surgery?
Researchers are investigating whether vitamin D might help patients recover better and experience less pain after gastrointestinal surgery. Studies suggest …
Read MoreVitamin D Levels May Help Kidney Dialysis Patients Stay Stronger
Researchers studied 81 people receiving kidney dialysis treatment in Toronto to understand how vitamin D affects muscle strength. They found that people with …
Read MoreVitamin D Levels May Not Affect Eye Health in Non-Diabetics
Researchers looked at data from over 4,000 American adults to see if low vitamin D was connected to eye problems that happen without diabetes. They found that …
Read MoreVitamin D May Help Heal Stubborn Mouth Sores
Researchers studied two women with a painful mouth condition called oral lichen planus that wouldn't go away, even after treatment. Both women had low vitamin …
Read MoreVitamin D Pills Don't Help Spinal Cord Injury Complications
Researchers tested whether vitamin D supplements could help people with long-term spinal cord injuries feel better and avoid common health problems like …
Read MoreDoes Drinking Alcohol Affect Vitamin D Levels in Young Men?
Researchers in Cameroon studied 155 healthy young men to see if drinking alcohol affects how much vitamin D their bodies have. Vitamin D is important for …
Read MoreLow Vitamin D Linked to Fatty Liver Disease
Researchers studied over 4,600 Americans and found that people with lower vitamin D levels in their blood were more likely to have a liver condition called …
Read MoreVitamin D May Help Kids Fight Severe Pneumonia Better
Researchers studied 78 children with severe pneumonia to see if vitamin D levels affected how well their bodies fought the infection. They found that children …
Read MoreHow Vitamin D Keeps Your Bones Strong and Healthy
Vitamin D is much more than just a nutrient—it's a powerful hormone that your body uses to build and maintain strong bones. Scientists have discovered that …
Read MoreDid COVID Lockdowns Lower Vitamin D Levels?
Researchers looked at blood test results from nearly 300,000 people in Germany to see if vitamin D levels dropped during COVID-19 lockdowns. They compared test …
Read MoreLow Vitamin D Linked to Blood Clots: What You Need to Know
Researchers studied nearly 140,000 people to understand if low vitamin D levels increase the risk of dangerous blood clots. They found that people with very …
Read MoreAmericans Are Getting More Vitamin D, But Some Are Getting Too Much
Researchers looked at vitamin D levels in Americans from 2007 to 2023 using data from a large national health survey. They found that fewer people have low …
Read MoreNew Theory Links Three Factors to Multiple Sclerosis Risk
Researchers are proposing a new explanation for why multiple sclerosis (MS) develops. They suggest that three things—a common virus called Epstein-Barr, low …
Read MoreLow Vitamin D Linked to Sexual Health Problems in Men
Researchers are discovering that vitamin D deficiency may be connected to erectile dysfunction in men. This emerging research explores how low levels of this …
Read MoreA Genetic Glitch That Breaks How Your Body Uses Vitamin D
Scientists discovered why some people develop a rare bone disease called type 3 rickets. The problem starts with a tiny change in a gene that controls how the …
Read MoreDoes Low Vitamin D Really Cause Growing Pains in Kids?
Growing pains are common aches that affect children between ages 4 and 14, usually in their legs. Researchers wanted to know if not having enough vitamin D in …
Read MoreWhy Your Sleep Problems Might Mean Low Vitamin D Levels
Researchers studied 451 older adults to see if a simple sleep questionnaire could help identify people with low vitamin D. They found that people with signs of …
Read MoreNew Blood Test May Help Doctors Spot Liver Disease in Babies Earlier
Researchers found that checking vitamin D levels in babies' blood might help doctors quickly identify biliary atresia, a serious liver condition that needs …
Read MoreVitamin D May Help Restore Hearing Loss When Combined With Standard Treatment
Researchers tested whether adding vitamin D supplements to standard hearing loss treatment could help people recover better. They studied 101 patients with …
Read MoreWhy Vitamin D and Hormones Matter During Menopause
Researchers studied 92 women going through menopause to understand why some experience worse symptoms than others. They measured vitamin D levels and a hormone …
Read MoreLow Vitamin D Linked to Lupus Flare-Ups in New Study
Researchers studied 60 patients with lupus, a disease where the body's immune system attacks itself, to see if vitamin D levels affect how active the disease …
Read MoreVitamin D May Help Protect Male Fertility From Immune System Damage
Researchers discovered that vitamin D3, a nutrient your body makes from sunlight, may help protect men's reproductive health by reducing inflammation in the …
Read MoreMore Pregnancies May Lower Vitamin D Levels in Women
Researchers studied over 8,000 women to understand how the number of pregnancies affects vitamin D levels in the body. They found that each pregnancy was …
Read MoreLow Vitamin D May Increase High Blood Pressure Risk in Pregnancy
Researchers studied 84 pregnant women in their third trimester to understand why some develop high blood pressure during pregnancy. They found that women with …
Read MoreWhy Cancer Patients Need More Vitamin C
Researchers studied over 1,200 cancer patients in China to measure their vitamin levels using advanced lab tests. They found that most cancer patients were …
Read MoreWhy Breast Cancer is Appearing Earlier in Women's Lives
Researchers studied women diagnosed with breast cancer to understand why more cases are appearing in younger women (ages 30-50) compared to the past. They …
Read MoreLow Vitamin D Before Back Surgery Linked to More Complications
Researchers looked at patients who had back surgery and found that those with low vitamin D levels before surgery had more problems afterward. People with low …
Read MoreWhy Older Adults in Hospitals Get Anemia and How Doctors Can Spot It Early
Researchers studied 864 older adults in hospitals to understand why some develop anemia (low red blood cells) and created a tool to predict who's at risk. They …
Read MoreVitamin D Levels May Help Explain Why Some Kids Have Longer COVID
Researchers studied 123 children who had long-lasting symptoms after COVID-19 infection to understand why some kids struggled more than others. They found that …
Read MoreHow Viruses, Vitamin D, and Genes Team Up to Cause MS
Scientists discovered that multiple sclerosis (MS) develops when several risk factors work together through a shared biological pathway. The study found that …
Read MoreVitamin D and Weight Together May Speed Up Aging
Researchers studied nearly 400,000 people to understand how vitamin D levels and body weight affect how fast our bodies age at the cellular level. They found …
Read MoreCan Vitamin D Help Reduce Stress in Diabetic Patients?
Researchers tested whether taking vitamin D supplements could help people with diabetes feel less stressed and worried about their condition. The study …
Read MoreLow Vitamin D During Pregnancy May Increase Need for Assisted Delivery
Researchers in Sweden studied 123 pregnant women to understand how vitamin D deficiency affects childbirth. They found that women with severely low vitamin D …
Read MoreLow Vitamin D + Bad Sleep May Raise Dementia Risk
Researchers studied over 500,000 people in the UK to understand how vitamin D levels and sleep patterns affect dementia risk. They found something interesting: …
Read MoreWhy Shift Workers Need More Vitamin D to Fight Depression
Researchers discovered that shift workers who don't get enough vitamin D may be more likely to experience depression. The study used advanced computer analysis …
Read More6 Key Vitamins and Minerals Older Adults Need Most
As we age, our bodies go through natural changes that can make it harder to stay healthy. A new review shows that six specific nutrients—vitamin D, vitamin …
Read MoreWhy Your Heart Valve May Need More Vitamin D
Researchers discovered that a common heart problem called calcific aortic valve disease—where heart valves become hard and stiff—might be caused by a vitamin D …
Read MoreWhy One Kitten Couldn't Close Her Mouth: A Vitamin D Mystery
Doctors discovered that an 11-month-old kitten had a rare genetic problem that prevented her body from using vitamin D properly, even though she was eating a …
Read MoreMore Foods Are Getting Vitamin D Added—Here's What You Need to Know
Companies around the world are adding vitamin D to more foods and drinks than ever before. Researchers looked at nearly 19,000 new products launched between …
Read MoreHidden Bone Problem After Weight Loss Surgery You Should Know About
After weight loss surgery, doctors usually watch for weak bones. But a new study found that about 1 in 11 patients actually have a different bone disease …
Read MoreLow Vitamin D May Affect Cancer Treatment Success
Researchers looked at thousands of cancer patients taking a newer type of medicine called immune checkpoint inhibitors to see if vitamin D levels mattered. …
Read MoreVitamin D Levels: When Low Is Bad, But Medium Might Be Fine
A large study of over 375,000 people in the UK looked at whether vitamin D levels affect heart disease and bone fracture risk. Researchers found that people …
Read MoreVitamin D Levels May Affect Hepatitis C Risk, New Study Finds
Researchers used advanced genetic analysis to explore whether vitamin D deficiency causes chronic hepatitis. They studied two types of chronic hepatitis: …
Read MoreLow Vitamin D Linked to PTSD Stress Hormone Problems
Researchers studied 96 people who experienced severe trauma to understand how vitamin D might affect stress hormones in those with PTSD. They found that people …
Read MoreCan Vitamin D Help Tired Cancer Patients Feel Better?
Cancer patients, especially older adults, often experience extreme tiredness that rest doesn't fix. This tiredness comes from inflammation, muscle loss, and …
Read MoreHow a Helper Protein Changes How Your Body Processes Vitamin D
Scientists discovered that a helper protein called adrenodoxin does more than just pass electrons to an enzyme that processes cholesterol and vitamin D in your …
Read MoreBody Fat Percentage Linked to Vitamin D Shortage in Diabetics
Researchers discovered that people with diabetes who have higher body fat percentages are more likely to have low vitamin D levels. Scientists studied over …
Read MoreVitamin D Before Heart Surgery May Lower Dangerous Heart Rhythms
Researchers looked at four studies involving 694 heart surgery patients to see if taking vitamin D before surgery could prevent a common complication called …
Read MoreWhy Some Babies Are Born With Low Vitamin D Levels
Researchers studied how many newborn babies have low vitamin D levels and what factors during pregnancy might cause this problem. Vitamin D is important for …
Read MoreVitamin D and Lung Health: New Hope for Scarring Disease
Researchers discovered that vitamin D deficiency may contribute to a serious lung condition where healthy lung tissue gets replaced by scar tissue, making it …
Read MoreWhy Vitamin D Matters for Fighting Colds and Flu
Scientists reviewed research from the past 25 years to understand how vitamin D helps protect us from respiratory infections like COVID-19 and the flu. Vitamin …
Read MoreWhy People With Hashimoto's May Need More Vitamin D
Hashimoto's thyroiditis is an autoimmune disease where the body attacks the thyroid gland, causing it to stop working properly. Researchers in Korea discovered …
Read MoreCan Vitamin D Help Your Tendons Heal After Surgery?
Researchers looked at 10 studies to understand whether vitamin D helps tendons heal better after surgery. Tendons are tough cords that connect muscles to …
Read MoreWhy Vitamin D Matters for Diabetic Foot Infections
Researchers studied 169 patients with diabetic foot infections to understand how vitamin D levels affect their healing and infection severity. They found that …
Read MoreUnderstanding Uterine Fibroids: What Women Need to Know
Uterine fibroids are common noncancerous growths that develop in the uterus and affect many women. While most don't cause problems, some can lead to heavy …
Read MoreWhy Vitamin D Matters for Overweight Teens Going Through Puberty
Researchers in Turkey studied 418 children and teens (ages 6-18) who were overweight or obese to understand how vitamin D, body weight, and insulin (a hormone …
Read MoreVitamin D and Genes May Explain Why Some Women Get PCOS
Researchers in India studied 170 women with PCOS and 150 healthy women to understand how vitamin D deficiency and specific genetic variations work together to …
Read MoreHow Your Good Cholesterol Might Help Your Body Use Vitamin D
Scientists have discovered that your body might use a special type of cholesterol called HDL to transport vitamin D from your digestive system to your liver. …
Read MoreLow Vitamin D Linked to Serious Kidney Problems
Researchers studied nearly 60,000 people with chronic kidney disease to understand how vitamin D deficiency affects kidney health. They found that people with …
Read MoreVitamins During Pregnancy: What You Need to Know About Gestational Diabetes
Researchers reviewed how different vitamins in your blood may be connected to gestational diabetes—a type of diabetes that develops during pregnancy. The study …
Read MoreHeart Surgery Patients: Two Hidden Problems That Make Each Other Worse
Children who have a special heart surgery called the Fontan procedure often develop two health problems that seem to make each other worse. Their bodies build …
Read MoreHalf of Pregnant Women in Ethiopia Lack Vitamin D
Researchers in Ethiopia discovered that nearly half of pregnant women in their first few months of pregnancy don't have enough vitamin D in their blood. …
Read MoreMost Moroccan Women Don't Get Enough Vitamin D
Researchers studied 355 women in Morocco to understand why so many don't get enough vitamin D, a nutrient crucial for strong bones and overall health. They …
Read MoreSimple Blood Tests May Help Doctors Spot Parathyroid Problems
Doctors sometimes struggle to figure out why a patient's parathyroid gland isn't working right. Researchers tested 437 people to see if simple blood …
Read MoreVitamin D Levels May Help Predict COVID-19 Outcomes
Researchers studied whether vitamin D levels could help predict how sick COVID-19 patients would become. They compared 95 people with COVID-19 to 75 healthy …
Read MoreNew Patterns in a Rare Polio-Like Illness After COVID-19
Researchers studied four children and young adults who developed acute flaccid myelitis (AFM), a rare condition that causes sudden weakness or paralysis, after …
Read MoreWhy Some People Lose Too Many Amino Acids in Their Urine
Your body needs amino acids to build muscles, create energy, and keep cells healthy. Sometimes, people lose too many amino acids through their urine because of …
Read MoreYour Genes May Explain Why You're Low on Vitamin D
Researchers in Pakistan studied 600 people to understand why some folks don't have enough vitamin D in their bodies. They discovered that certain genetic …
Read MoreBlood Tests May Help Detect Curved Spine in Teens Earlier
Researchers reviewed studies about special markers found in blood that might help doctors identify and track adolescent idiopathic scoliosis (AIS)—a condition …
Read MoreLow Vitamin D Linked to Serious Infections in Kids and Adults
Researchers combined results from 39 studies involving over 61,000 people to understand how vitamin D affects sepsis—a life-threatening infection that spreads …
Read MoreCan Vitamin D Help People With Lupus Feel Better?
Lupus is a disease where the body's immune system attacks itself, causing pain and inflammation. Scientists have noticed that many people with lupus don't have …
Read MoreVitamin D and Kidney Disease Risk in Type 2 Diabetes
Researchers in Ethiopia studied 210 people to understand why some people with type 2 diabetes develop kidney problems while others don't. They found that …
Read MoreWhy Blood Sugar Control Matters for Bone Health in Diabetes
Researchers studied 128 adults in the United Arab Emirates who have type 2 diabetes to understand how vitamin D, inflammation, and bone health are connected. …
Read MoreVitamin D and Kidney Disease: What Science Shows
Vitamin D deficiency is very common in people with chronic kidney disease, a condition where kidneys gradually lose function. Scientists reviewed research from …
Read MoreVitamin D Helps Dental Implants Take Root Better
Researchers looked at 43 studies about how vitamin D affects dental implants. They found that people with enough vitamin D had much better success with …
Read MoreVitamin D Supplements May Speed Up Wound Healing
Researchers studied whether taking vitamin D supplements could help people with chronic wounds heal faster. They worked with 46 patients who had low vitamin D …
Read MoreWhy Sleep Problems and Low Vitamin D Make Dizziness Worse
Researchers studied 125 people with a common type of dizziness called BPPV to understand how two health issues—poor sleep and low vitamin D—affect how much the …
Read MoreWhy Vitamin D Doesn't Bounce Back When People Stop Drinking
Researchers studied whether a supplement called N-acetylcysteine (NAC) could help restore vitamin D levels in people recovering from alcohol addiction. They …
Read MoreWhy Vitamin D Levels Matter for Teen Body Fat
Researchers studied 238 Korean teenagers to understand how vitamin D affects belly fat storage. They found that three out of four teens didn't have enough …
Read MoreRare Bone Disease in Newborns Linked to Kidney Problems and Vitamin D
Doctors discovered an extremely unusual condition in a newborn baby where muscles started turning into bone—something that had never been reported before in …
Read MoreLow Vitamin D Linked to Worse Back Pain in New Study
Researchers studied 392 people with chronic lower back pain to understand the connection between vitamin D levels and pain severity. They found that people who …
Read MoreWhy Some Pregnancies End Early: Chromosome Problems Explained
Researchers studied 216 women who experienced missed miscarriages (when a pregnancy stops developing but the body doesn't naturally miscarry) to understand why …
Read MoreVitamin D and Spine Surgery: What Really Matters for Recovery
Researchers looked at thousands of patients who had surgery to fix curved spines to understand whether low vitamin D levels caused problems after surgery. They …
Read MoreWhy Many People in Coastal China May Not Get Enough Vitamin D
Researchers in a coastal city in southeast China looked at how much vitamin D people in their community actually have in their bodies. Vitamin D is important …
Read MoreMost Italians Don't Get Enough Vitamin D From Food
Researchers studied how much vitamin D 1,372 Italian adults were getting from their diet. They found that almost everyone—whether healthy or dealing with …
Read MoreSmoking and Stroke: Why Your Hearing Could Be at Risk
Researchers studied 1,040 stroke patients to understand why some lose their hearing. They found that smokers who had strokes were more likely to experience …
Read MoreWhy Millions of Europeans Are Secretly Malnourished Despite Having Food
Even though Europe has plenty of food, millions of people aren't getting enough essential vitamins and minerals—a problem called "hidden hunger." Unlike …
Read MoreRare Bone Weakness During Pregnancy: What One Woman's Story Teaches Us
A 31-year-old woman experienced severe back pain and broken bones in her spine just weeks after giving birth. Doctors initially missed what was actually …
Read MoreWeight Loss Surgery Redo: Why Nutrition Problems Still Happen
When people have weight loss surgery and it doesn't work as well as hoped, doctors sometimes perform a second surgery to fix it. However, new research shows …
Read MoreNew Ways to Check if Babies Have Strong Bones
Doctors need better tools to check if newborns and babies have healthy bones, especially those at risk for weak bones. This review looks at different methods …
Read MoreLow Vitamin D Early in Pregnancy May Increase Bleeding Risk
Researchers studied pregnant women in Alaska to understand if vitamin D levels affect how much women bleed after giving birth. They looked at 1,343 pregnancies …
Read MoreLow Vitamin D Linked to Leg Blood Vessel Disease
Researchers combined results from multiple studies to understand how vitamin D affects peripheral arterial disease (PAD), a condition where blood vessels in …
Read MoreVitamin D Levels and a Common Parasite in Women
Researchers in Iran studied whether vitamin D levels are connected to a parasite infection called toxoplasmosis in women of childbearing age. Toxoplasmosis is …
Read MoreLow Vitamin D Linked to Weakness in Older Men
Researchers studied over 6,500 older Korean adults to understand how vitamin D levels affect frailty—a condition where people become weak and lose …
Read MoreHow Vitamin D Controls Muscle Genes in Fish (And Why It Matters)
Scientists discovered that vitamin D acts like a control switch for genes in salmon muscle tissue. When researchers studied four different muscle types in …
Read MoreCan Vitamin D Help Prevent or Fight Colorectal Cancer?
Colorectal cancer is one of the most common cancers worldwide, and doctors are always looking for ways to prevent it and help patients survive longer. …
Read MoreDoes Your Job Affect Your Vitamin D Levels and Happiness?
Researchers in Germany compared vitamin D levels in hospital workers and waste workers to see if their jobs affected how much vitamin D they had in their …
Read MoreVitamin D Supplements Help Kids' Gums Stay Healthy
Researchers in Poland studied over 2,000 children to see if vitamin D supplements help prevent tooth problems. They found that kids who took vitamin D …
Read MoreVitamin D and Heart Health in Kids With Pneumonia
Researchers studied 300 children with a specific type of pneumonia caused by mycoplasma bacteria to understand why some developed heart problems. They found …
Read MoreDoes Vitamin D Really Protect Your Heart? What Science Says
Vitamin D is famous for keeping bones strong, but scientists have discovered that your heart also uses vitamin D. When people don't get enough vitamin D, they …
Read MoreDoes Low Vitamin D During Pregnancy Increase Preeclampsia Risk?
Researchers combined results from 29 studies involving over 74,000 pregnant women to understand if low vitamin D levels increase the risk of preeclampsia—a …
Read MoreRare Infection Linked to Low Vitamin D and Mouth Sores
Doctors discovered a rare bloodstream infection caused by a bacteria normally found on skin in a healthy 50-year-old woman. The infection was unusual because …
Read MoreWhat Do People Really Know About Vitamin D Supplements?
Researchers surveyed over 1,300 adults across four Middle Eastern countries to understand what people know, think, and do about vitamin D supplements. They …
Read MoreWhy Don't We Know More About Vitamin D? A Science Review
Despite thousands of studies on vitamin D, scientists still don't have clear answers to basic questions like how much vitamin D we actually need. A new review …
Read MoreWhy Low Vitamin D May Hurt Your Mood and Sleep in College
Researchers studied over 1,000 college students in Turkey and found that those with low vitamin D levels reported more depression, anxiety, stress, and sleep …
Read MoreLow Vitamin D Linked to Depression in South Asian Adults
Researchers combined results from multiple studies to investigate whether low vitamin D levels are connected to depression in South Asian adults. Depression …
Read MoreCancer Treatment Weakens Bones More Than You'd Think
Researchers studied 257 cancer patients receiving chemotherapy and compared them to 257 healthy people of similar age and gender. They found that cancer …
Read MoreWhy Some Women After Menopause May Have Low Vitamin D Levels
Researchers studied over 5,000 women after menopause to understand why some have low vitamin D levels. They looked at a special ratio involving uric acid (a …
Read MoreWhy Teen Bones Need More Calcium: A Study of Malaysian Youth
Researchers studied 1,234 fifteen-year-old students in Malaysia to understand how vitamin D and calcium affect bone health. They measured a protein called CTX …
Read MoreCan Vitamin D Help Stop Migraines? Here's What Science Shows
Migraines affect millions of people worldwide and can make daily life really difficult. Researchers looked at 30 studies to see if vitamin D deficiency might …
Read MoreLow Vitamin D May Damage Blood Vessels in Diabetic Eyes
Researchers studied 150 people with type 2 diabetes to understand if vitamin D levels affect the tiny blood vessels in the eyes. Using special imaging …
Read MoreNew Test for Vitamin D Levels Works Just as Well as Gold Standard
Scientists tested a new machine that measures vitamin D levels in your blood to see if it's as accurate as the best method available. Vitamin D is important …
Read MoreWhy Your Vitamin D Levels Matter for Heart Health
A new research article explores how vitamin D—a nutrient your body makes from sunlight and gets from certain foods—may play an important role in preventing …
Read MoreLosing Weight Fixes Your Body's Vitamin D Problems
When people gain weight, their bodies often struggle to use vitamin D properly, even if they get enough of it. Scientists studied mice to understand this …
Read MoreWhy Some Arctic Kids Get Weak Bones and How to Help
Researchers in Canada's Arctic region studied why children there get a bone disease called rickets more often than kids in other parts of Canada. They looked …
Read MoreVitamin D and Weight Training: A Powerful Combo for Muscle Growth
Scientists reviewed 17 studies to understand how vitamin D and strength training work together to build muscle. They found that when people do resistance …
Read MoreVitamin D May Help Prevent Thyroid and Diabetes Problems
Researchers studied over 82,000 people to understand how vitamin D affects hormone-related diseases. They found that people with healthy vitamin D levels had …
Read MoreWhy People With Stomach Ulcers and Extra Weight Need More Vitamin D
Researchers in Taiwan discovered that people who are overweight and have peptic ulcers (painful sores in the stomach) tend to have lower vitamin D levels in …
Read MoreNew Tool Helps Doctors Spot Ear Fluid Problems in Kids
Researchers created a simple prediction tool to help doctors identify which children with enlarged adenoids are likely to develop chronic ear fluid buildup. …
Read MoreLow Vitamin D Linked to More Serious Mouth Cancer
Researchers studied 150 people with oral squamous cell carcinoma (a type of mouth cancer) to see if vitamin D levels affected how serious their cancer was. …
Read MoreHaving Both Diabetes and Thyroid Problems Makes Health Harder
Researchers studied people with type 2 diabetes to see how many also had thyroid problems. They found that about 1 in 5 diabetes patients also had an …
Read MoreUV Light Boosts Vitamin D in Milk from Indoor Dairy Cows
Scientists discovered that exposing dairy cows to artificial ultraviolet (UV) light for just 30-60 minutes per day can significantly increase the amount of …
Read MoreLow Vitamin D Linked to Weight Gain in Older Adults
Researchers studied over 1,200 older adults in Iran to understand if vitamin D levels affect weight and belly fat. They found that people with low vitamin D …
Read MoreLow Vitamin D and B12 May Be Linked to Thyroid Disease
Researchers compared vitamin D and B12 levels in people with and without Hashimoto's thyroiditis, a common autoimmune disease that affects the thyroid gland. …
Read MoreVitamin D Pills Don't Strengthen Bones in Spinal Cord Injury
Researchers tested whether taking vitamin D supplements could help strengthen bones in people with spinal cord injuries, who often have weak bones. Over one …
Read MoreDoes Vitamin D Help Reduce Belly Fat in Older Adults?
Researchers studied 600 older adults in Iran to see if vitamin D levels were connected to the amount of deep belly fat they had. They found a weak connection: …
Read MoreWhy Women With PCOS May Need More Vitamin D
Researchers compared vitamin D levels in 132 women—66 with PCOS (a common hormone condition affecting fertility) and 66 without it. They found that women with …
Read MoreWhy Strong Muscles Matter More Than Bones for Hip Fracture Prevention
Researchers studied older adults to understand why vitamin D deficiency increases hip fracture risk. They compared 138 people who had suffered hip fractures …
Read MoreMany Arab Teens Have High Blood Pressure Without Knowing It
Researchers studied nearly 5,000 healthy teenagers in Saudi Arabia and found something surprising: more than 1 in 5 had high blood pressure without realizing …
Read MoreWhat Happens to Your Parathyroid After Thyroid Surgery?
When doctors remove the thyroid gland, sometimes the small parathyroid glands nearby get damaged, causing a condition called hypoparathyroidism. Researchers …
Read MoreLow Vitamin D Linked to Earlier Death in US Adults
A major study of over 62,000 Americans found that people with low vitamin D levels were significantly more likely to die prematurely compared to those with …
Read MoreWhat Causes Nerve Damage in Blood Cancer Patients?
Researchers studied 161 patients with multiple myeloma (a type of blood cancer) to understand why some develop nerve damage in their hands and feet. They found …
Read MoreWhy Kids with Kidney Disease Need Vitamin D Checks
Researchers in India studied 60 children with a kidney condition called nephrotic syndrome to understand vitamin D's role in their recovery. They found that …
Read MoreExercise Helps Your Liver Stay Healthy When Vitamin D is Low
Scientists discovered that exercise can help protect your liver from storing too much fat, especially if you don't have enough vitamin D in your body. Using …
Read MoreBlood Tests May Help Track Kidney Disease in Children
Researchers studied blood samples from 17 children with a kidney disease called nephrotic syndrome to find markers that could help doctors track when the …
Read MoreVitamin D Helps Bones Heal Faster After Injury or Surgery
A new review of medical research shows that vitamin D plays a bigger role in bone health than we thought. Scientists found that most people who break bones or …
Read MoreLow Vitamin D May Increase Sleep Apnea Risk
Researchers studied over 250,000 adults to understand if low vitamin D levels make sleep apnea more likely. Sleep apnea is a condition where breathing stops …
Read MoreVitamin D May Protect Kids from Brain-Harming Chemicals in the Womb
Researchers studied 728 mother-child pairs in China to understand how common industrial chemicals called PFAS affect children's thinking and learning …
Read MoreWhy Winter Surgery Patients Need More Vitamin D
Researchers studied 328 people getting hip or knee replacement surgery in New Zealand and found that 72% of those not taking vitamin D supplements had low …
Read MoreBlood Tests and Vitamin D May Help Predict Sinus Infection Outcomes
Researchers studied over 1,000 people with chronic sinus infections to find out which blood tests and vitamin D levels could predict who would have worse …
Read MoreLow Vitamin D Linked to Teen Anxiety—Supplements May Help
Researchers discovered that teenagers with anxiety disorders tend to have lower vitamin D levels in their blood compared to healthy teens. In this study, 124 …
Read MoreDoes Vitamin D Help Older Adults Build Muscle? Here's What Science Shows
Researchers combined results from seven studies to see if vitamin D supplements help people over 60 build muscle and get stronger. They found that vitamin D …
Read MoreWhy Some Kids Need More Vitamin D to Build Strong Bones
Rickets is a bone disease that happens when children don't get enough vitamin D, calcium, or phosphorus. This can make their bones weak, soft, and shaped …
Read MoreCould Low Vitamin D Increase Ovarian Cancer Risk?
Researchers reviewed 18 studies to understand whether vitamin D levels affect ovarian cancer risk and survival. Most studies found that women with low vitamin …
Read MoreWhy People With Parkinson's Often Have Low Vitamin D Levels
Researchers looked at 63 different studies involving about 10,700 people to understand how vitamin D connects to Parkinson's disease. They found that people …
Read MoreMom's Vitamin D During Pregnancy May Help Baby's Teeth Stay Healthy
Researchers followed over 4,000 pregnant women and their children to see if the mother's vitamin D levels during pregnancy affected whether kids got cavities. …
Read MoreYour Parent's Hip Fracture May Mean You Need a Bone Checkup
Researchers discovered that adult children of older parents who break their hip bones are at high risk for weak bones themselves. In this study, 60 adult …
Read MoreVitamin D Levels May Affect Body Fat and Hormones in Older Adults
Researchers studied over 2,400 older Chinese adults to understand how vitamin D levels connect to sex hormones and body composition. They found that most older …
Read MoreLow Vitamin D Linked to Nerve Pain After Spinal Cord Injury
Researchers studied 182 people with long-term spinal cord injuries to understand why many experience nerve pain. They found that over half had nerve pain, and …
Read MoreWhy Vitamin D Matters for Twins: New Pregnancy Research
Researchers studied 324 women carrying twins to understand how vitamin D levels affect pregnancy and baby health. They found that women with low vitamin D in …
Read MoreWhy Vitamin D Matters So Much for Older Adults' Bones and Muscles
Vitamin D is a nutrient that helps our bodies in many ways, especially as we get older. Scientists have found that many elderly people don't get enough vitamin …
Read MoreWhy People With SBMA Get Weaker Bones and Break Easier
Spinal and bulbar muscular atrophy (SBMA) is a rare inherited condition that weakens muscles and affects how the body works. Researchers studied 109 people …
Read MoreVitamin D May Help Slow Kidney Disease Decline
Researchers used genetic data to study whether vitamin D helps protect kidney function in people with chronic kidney disease. They analyzed information from …
Read MoreYour Genes May Affect How Your Body Uses Vitamin D
Researchers studied 60 people to understand why some individuals struggle with vitamin D deficiency even when taking supplements. They discovered that certain …
Read MoreLow Vitamin D Linked to Weak Bone Fractures in Kids
Researchers studied children and teens with broken leg bones to see if vitamin D levels made a difference. They found that kids with low-energy fractures …
Read MoreHow Illness Changes Your Body's Vitamin D Use
When your body is sick or your organs aren't working well, it struggles to use vitamin D properly. This review looks at how different illnesses—especially …
Read MoreLow Vitamin D in Newborns May Signal Breathing Problems
Researchers looked at 220 newborns in the hospital to see if vitamin D levels could predict which babies might have trouble breathing. They found that babies …
Read MoreCommon Plastic Chemical Linked to Joint Disease Risk
Researchers found that people exposed to higher levels of DINCH, a chemical used in plastics and consumer products, may have a higher risk of developing …
Read MoreWhy Young Indian Women Need More Vitamin D and Calcium for Strong Bones
Researchers studied 220 young women in India and found that most of them don't get enough vitamin D or calcium, which are crucial nutrients for building and …
Read MoreNew Way to Check Vitamin D Health in Teenage Bones
Researchers in Saudi Arabia studied nearly 950 teenagers to understand vitamin D better and how it affects bone health. They found that most teenagers don't …
Read MoreLow Vitamin D Linked to Harmful Chemical Buildup in Blood
Researchers discovered that people with low vitamin D levels tend to have higher amounts of a toxic chemical called ethylene oxide in their blood. Ethylene …
Read MoreDoes Body Fat Affect Your Vitamin D Levels?
A recent letter to a scientific journal explores an interesting question: does having more body fat make it harder for your body to get enough vitamin D? …
Read MoreVitamin D Does More Than Build Bones—It Helps Your Liver
Scientists are discovering that vitamin D plays a much bigger role in liver health than previously thought. This review examines how vitamin D affects various …
Read MoreThree Ways to Fix Low Vitamin D Work Equally Well
Researchers in Armenia tested three different ways to give vitamin D supplements to people who didn't have enough of it. Some people took small doses every …
Read MoreDoes Vitamin D Really Help Your Heart? New Study Has Surprising Answers
Researchers looked at 130 adults to understand how vitamin D levels connect to heart health and body weight. They found that vitamin D and body weight affect …
Read MoreCan Vitamin D Levels Help Predict Urinary Tract Infections?
Researchers tested whether simple measurements like vitamin D levels, urine acidity, age, and gender could help doctors predict who might have a urinary tract …
Read MoreLow Vitamin D Linked to Depression in Adults with Obesity
Researchers looked at data from nearly 5,000 overweight and obese adults to understand if low vitamin D levels are connected to depression. They found that …
Read MoreWhy Kids Get Sick From Red Meat: A Hidden Allergy Doctors Miss
Researchers in Turkey studied 39 children with a rare allergy called alpha-gal syndrome, which makes people sick after eating red meat. The allergy usually …
Read MoreCan Vitamin D Help Prevent Type 1 Diabetes?
Scientists are investigating whether vitamin D might help prevent or manage Type 1 diabetes, a condition where the body's immune system mistakenly attacks …
Read MoreLow Vitamin D Linked to Worse Allergies in Kids
Researchers studied 343 children with allergic rhinitis (hay fever-like symptoms) to understand if vitamin D levels affect how severe their allergies are. They …
Read MoreWhy So Many Indian Kids Don't Get Enough Vitamin D
Researchers in India studied 277 children to understand why so many don't have enough vitamin D in their blood, even though India gets plenty of sunshine. They …
Read MoreTesting Vitamin D Levels With Tiny Blood Drops: Does It Work?
Scientists are exploring a new way to measure vitamin D levels using just a few drops of blood from a finger prick instead of traditional blood draws. This …
Read MoreLow Vitamin D May Increase Risk of Uterine Fibroids
Researchers discovered that women with lower vitamin D levels in their blood may be at higher risk for developing uterine fibroids—non-cancerous growths in the …
Read MoreVitamin D Levels May Help Predict Gestational Diabetes in Pregnancy
Researchers studied 400 pregnant women to see if vitamin D levels could predict gestational diabetes—a type of diabetes that develops during pregnancy. They …
Read MoreCan Vitamin D Help Reduce Chronic Pain? New Study Says Yes
Researchers tested whether vitamin D supplements could help people with chronic pain feel better without relying on opioid medications. They gave 30 people …
Read MoreDoes Vitamin D Help People Recover After Hip Surgery?
Researchers looked at whether vitamin D levels affect how well people recover after hip fracture surgery. Hip fractures are serious injuries that mostly affect …
Read MoreTB Patients Have Lower Vitamin D and Calcium Levels
Researchers in Ethiopia compared vitamin D and calcium levels in 100 people with tuberculosis (TB) and 100 healthy people of similar age and gender. They found …
Read MoreNew Strong Vitamin D Treatment for People Who Don't Get Enough
Researchers are looking at a new, stronger form of vitamin D called calcifediol that helps people who have very low vitamin D levels. Vitamin D is important …
Read MoreHow a Vitamin D Problem Looked Like Bone Cancer in a Teen
A teenager went to the doctor with symptoms that looked like a serious bone tumor, but doctors discovered the real problem was severe vitamin D deficiency. …
Read MoreDoes Drinking Too Much Coffee Lower Your Vitamin D?
Researchers in Saudi Arabia studied 387 adults to see if drinking a lot of coffee affects vitamin D levels and how people feel. They found that people who …
Read MoreVitamin D and Bone Health in Blood Cancer Patients
Researchers studied 80 patients with multiple myeloma (a type of blood cancer) in Singapore to understand how vitamin D and bone health affect their outcomes. …
Read MoreMost People with Diabetes in India Don't Get Enough Vitamin D
A large study looked at vitamin D levels in nearly 9,000 people with diabetes in India. They found that 79% of these people had low vitamin D levels, even …
Read MoreVitamins After Stem Cell Transplant: What Cancer Survivors Need to Know
Researchers looked at 16 studies involving 1,573 stem cell transplant patients to see if vitamin supplements help during recovery. They focused on patients who …
Read MoreLow Vitamin D Linked to Higher Risk of Infection After Surgery
A large study combining data from over 12,000 surgical patients found that people with low vitamin D levels were more likely to develop infections at their …
Read MoreLow Vitamin D May Increase Problems After Shoulder Surgery
Researchers looked at over 41,000 people who had shoulder surgery to see if having low vitamin D levels affected their recovery. They found that people with …
Read MoreLow Vitamin D May Not Increase Fracture Risk After Hip or Knee Surgery
Researchers studied over 15,000 people who had hip or knee replacement surgery to see if low vitamin D levels made them more likely to break bones around their …
Read MoreLow Vitamin D Levels May Make You More Likely to Snore at Night
Researchers in Sudan studied 238 adults and found that people who snore regularly had lower vitamin D levels in their blood compared to those who don't snore. …
Read MoreLow Vitamin D Levels May Increase Your Risk of Getting Cataracts
A large study of over 400,000 people in the UK found that those with low vitamin D levels were more likely to develop cataracts - cloudy areas in the eye that …
Read MoreVitamin D Levels May Help Protect Kidneys in People with IgA Disease
Researchers followed 866 people with IgA nephropathy (a kidney disease) for over 4 years to see if vitamin D levels affected their kidney health. They found …
Read MoreAir Pollution May Lower Vitamin D in Pregnant Women by Blocking Sunlight
A study of over 2,200 pregnant women in China found that air pollution appears to reduce vitamin D levels during pregnancy. The research suggests this happens …
Read MoreLow Vitamin D and Worms May Make Leprosy Reactions Worse
Researchers studied 75 people with leprosy reactions to see if low vitamin D levels and intestinal worm infections made their symptoms worse. They found that …
Read MoreVitamin D Levels After Kidney Transplant Affect Long-Term Success
Researchers followed over 2,500 kidney transplant patients for nearly 7 years to see how vitamin D levels affected their health outcomes. They found that …
Read MoreHair-Pulling Disorder Strongly Linked to Mental Health Conditions
Researchers studied 40 people with trichotillomania (a condition where people repeatedly pull out their own hair) and compared them to 400 people without the …
Read MoreVitamin D Levels May Affect How Fast Your Body Ages
Scientists studied how vitamin D levels in your blood might affect how fast your body ages on the inside. They looked at data from over 13,000 Americans and …
Read MoreHigh-Dose Vitamin D Helps Cystic Fibrosis Patients Even When They Skip Pills
Researchers studied 58 people with cystic fibrosis who received ultra-high doses of vitamin D (called 'stoss dosing') to boost their vitamin D levels. This …
Read MoreTurkish Babies Get Too Much Protein But Miss Key Vitamins and Healthy Fats
Researchers studied 141 Turkish mothers and their babies aged 9-24 months to see what the little ones were eating and how mom's attitudes affected their diet. …
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