According to Gram Research analysis, a cross-sectional study of 564 Saudi university students found that those who added at least one teaspoon of salt daily had 3.29 times higher odds of reporting heart and metabolic health problems compared to those with lower salt intake. However, the study was small with only 14 reported health cases and relied on self-reported conditions rather than medical tests, so these findings are exploratory and cannot prove that salt directly causes these problems. Larger studies with objective medical testing are needed to confirm this relationship
A new study of 564 Saudi university students found that young people who add a lot of salt to their food are more likely to report heart and metabolic health problems. Researchers surveyed students about their eating habits and health conditions, discovering that those who added at least one teaspoon of salt daily had over three times higher odds of having cardiometabolic issues. However, the study was small and only looked at reported conditions, not actual medical tests, so more research is needed to confirm these findings and understand exactly how salt affects young people’s health.
Key Statistics
A 2026 cross-sectional study of 564 Saudi university students found that high reported added salt intake (at least one teaspoon daily) was associated with 3.29 times higher odds of self-reported cardiometabolic conditions compared to lower salt intake.
Among 564 university students surveyed in Saudi Arabia in 2023, 87.1 percent reported habitually adding salt to their food, with 19.0 percent consuming at least one teaspoon of added salt daily.
In a multi-region study of 564 Saudi students, only 14 participants (2.5 percent) reported having cardiometabolic conditions, limiting the ability to draw firm conclusions about salt’s health effects in this young adult population.
The Quick Take
- What they studied: Whether young adults who add lots of salt, sugar, and ultra-processed foods to their diet have more heart and metabolic health problems
- Who participated: 564 university students from four different regions of Saudi Arabia, surveyed between March and May 2023. Most were normal weight with an average BMI of 22.2
- Key finding: Students who reported adding at least one teaspoon of salt daily had 3.29 times higher odds of reporting heart or metabolic conditions compared to those who added less salt
- What it means for you: Cutting back on added salt may help protect your heart health, especially as a young adult. However, this study only asked people about their habits and health, so it cannot prove salt directly causes these problems. Talk to your doctor about your salt intake and heart health
The Research Details
Researchers surveyed 564 university students from four regions of Saudi Arabia about their eating habits using a detailed food questionnaire. They asked students how often they added salt, sugar, and ultra-processed foods to their meals. The students also reported whether they had any heart or metabolic health problems. Researchers then looked for patterns between salt intake and reported health conditions. This type of study, called a cross-sectional study, takes a snapshot of people at one point in time rather than following them over months or years. The researchers adjusted their analysis for other factors that might affect health, including age, sex, physical activity level, and screen time.
This approach is useful for identifying potential health risks in a specific population, in this case young adults in Saudi Arabia. By surveying many students at once, researchers can spot patterns quickly and inexpensively. However, because it’s a snapshot rather than following people over time, it cannot prove that salt causes health problems, only that they appear together
The study has some important limitations to consider. Only 14 students reported having heart or metabolic conditions, which is a very small number. The study relied on students reporting their own health conditions rather than using medical tests or doctor diagnoses. Students also reported their own eating habits from memory, which may not be completely accurate. The researchers note these findings are exploratory only and cannot prove cause and effect
What the Results Show
Among the 564 students surveyed, 87.1 percent reported adding salt to their food regularly. About 19 percent added at least one teaspoon of salt daily, which researchers classified as high salt intake. Students who reported high salt intake had 3.29 times higher odds of reporting heart or metabolic conditions compared to those with lower salt intake. This difference was statistically significant, meaning it was unlikely to happen by chance. However, only 14 students total reported having these health conditions, which is a very small number. The researchers emphasized that this finding is exploratory and needs confirmation with larger studies using actual medical tests rather than self-reported health
High added sugar intake and ultra-processed food consumption were not significantly associated with reported heart or metabolic conditions in this study. When researchers looked at weight (BMI), none of the dietary factors they studied, including salt, sugar, or ultra-processed foods, showed a significant relationship with BMI after adjusting for other factors. Most students in the study were normal weight, which may explain why dietary factors did not strongly affect their weight
This is the first multi-region study in Saudi Arabia examining salt intake and cardiometabolic conditions in university students. Previous research worldwide has shown that high salt intake is linked to high blood pressure and heart disease in older adults. This study suggests similar patterns may exist in younger populations, though the evidence is preliminary. The finding that added sugar and ultra-processed foods were not associated with health conditions differs from some other research, possibly because the students were young and mostly normal weight
The study has several important limitations. It only looked at 14 students with health conditions, which is too small a number to draw firm conclusions. Students reported their own health conditions rather than having them confirmed by doctors or medical tests. Dietary intake was based on memory and self-reporting, which can be inaccurate. The study only captured one moment in time, so it cannot show whether salt intake actually caused the health problems or if other factors were responsible. The researchers could not use their planned statistical method because of the small number of health events, so they used a simpler analysis instead
The Bottom Line
Based on this exploratory research, reducing added salt intake may be worth considering as part of heart health prevention for young adults. However, confidence in this recommendation is moderate because the study is small and cannot prove cause and effect. Standard health guidelines already recommend limiting salt intake, so this finding supports existing advice. Prospective studies with actual medical testing are needed before making strong recommendations based on this research alone
Young adults, particularly those in the Middle East, should be aware of their salt intake as a potential heart health factor. People with family histories of heart disease or high blood pressure may want to pay special attention to salt reduction. Healthcare providers working with young adult populations may consider discussing salt intake as part of preventive health conversations. This study is less relevant for very young children or elderly adults, who may have different salt needs and health risks
Heart health benefits from reducing salt intake typically develop over weeks to months, though the exact timeline varies by individual. Blood pressure, one key marker of heart health, can improve within days to weeks of reducing salt. However, this study only looked at reported conditions at one point in time, so it cannot predict how quickly benefits would appear. Long-term benefits would likely require sustained dietary changes over months and years
Frequently Asked Questions
How much salt is too much for young adults?
This study defined high salt intake as at least one teaspoon daily. Most health organizations recommend less than one teaspoon (about 2,300 milligrams of sodium) per day for adults. Young adults should aim to add minimal salt to food and choose low-salt options when possible
Does salt really cause heart problems in young people?
This study found an association between high salt intake and reported heart problems in young adults, but it cannot prove salt causes these problems. The study was small with only 14 reported cases. Larger studies with medical testing are needed to confirm whether salt directly causes heart issues in younger populations
What can I do to reduce my salt intake?
Remove the salt shaker from your table, use herbs and spices for flavor instead, check food labels for sodium content, limit processed and restaurant foods, and gradually reduce added salt over several weeks. Your taste buds will adjust, and foods will taste normal again within a few weeks
Are added sugar and processed foods also bad for your heart?
This study did not find significant associations between added sugar or ultra-processed foods and reported heart conditions in these young students. However, other research suggests these foods may affect heart health differently. A balanced diet low in all three (salt, sugar, and ultra-processed foods) is generally recommended
Should I get my blood pressure checked if I eat a lot of salt?
Yes, getting your blood pressure checked is a good idea, especially if you consume high amounts of salt. High blood pressure is a major risk factor for heart disease. Regular monitoring helps you track whether reducing salt intake improves your blood pressure over time
Want to Apply This Research?
- Track daily salt intake by logging the number of teaspoons of salt added to meals and snacks. Note the source of salt, whether from the salt shaker, processed foods, or restaurant meals. Compare weekly totals to the study’s threshold of one teaspoon daily to identify patterns
- Set a goal to reduce added salt by one-quarter each week until reaching less than one teaspoon daily. Start by removing the salt shaker from the table during meals and using herbs and spices for flavor instead. Track which meals typically have added salt and plan lower-salt alternatives for those meals
- Monitor salt intake weekly and note any changes in energy levels, blood pressure if you have a home monitor, or how you feel overall. Set reminders to check your salt shaker usage and review your weekly totals. If possible, have your blood pressure checked every few months to track long-term trends as you reduce salt intake
This study provides exploratory evidence only and cannot prove that salt causes heart problems. The findings are based on self-reported health conditions rather than medical diagnoses or objective testing. Young adults should not make major dietary changes based solely on this research. Consult with a healthcare provider before making significant changes to your diet, especially if you have existing health conditions or take medications. This article is for informational purposes and should not replace professional medical advice
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.