Why Your B12 Test Results Might Differ Between Labs
Doctors use different machines to measure vitamin B12 levels in your blood, but these machines don't always give the same results. Researchers tested 19 …
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New 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 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 MoreBetter Blood Tests Help Doctors Correctly Diagnose Pernicious Anemia
Doctors use blood tests to diagnose pernicious anemia, a serious condition that prevents your body from absorbing vitamin B12. However, some blood tests can …
Read MoreNew Blood Test for Methotrexate Drug Levels Works Better
Methotrexate is a powerful medicine used to treat cancer and autoimmune diseases, but doctors need to carefully monitor how much is in a patient's blood to …
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 MoreNew Blood Test Better at Spotting Rheumatoid Arthritis
Researchers in Libya compared two blood tests used to diagnose rheumatoid arthritis, a disease where the body's immune system attacks joints. They tested 70 …
Read MoreHow Labs Check If Their Folate Tests Are Working Right
This research explores how laboratories can use quality check systems to make sure their folate tests stay accurate when they switch to new batches of testing …
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