A large BMJ review found routine supplements offered little to no meaningful benefit for most older adults, but the findings do not mean calcium and vitamin D are unimportant.
May 24, 2026
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2 min read
Nutrition Science
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A prospective observational study found vitamin D deficiency was associated with more moderate postoperative pain and greater opioid use, but it cannot prove supplements would reduce pain.
A large French study found higher intake of certain preservative additives from processed foods was associated with higher risks of hypertension and cardiovascular disease.
May 25, 2026
3 min read
A new observational study in remote Amazonian Indigenous communities found that gut microbial diversity changed after medical visits, but the findings do not mean lifesaving treatment should be avoided.
May 22, 2026
A mathematical modeling study suggests vitamin C may reduce certain cancer-linked chemical reactions during digestion, but it does not prove that supplements prevent cancer.
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A large observational study of older adults found that people who ate eggs more often were less likely to be diagnosed with Alzheimer’s disease over time, though researchers cannot say eggs themselves were the cause.
May 6, 2026
1 min read
A major review of long-term studies found people who ate more legumes and soy foods were less likely to develop high blood pressure, though the research cannot prove these foods alone were responsible.
May 10, 2026
A small randomized trial in older adults found that four weeks of dietary changes improved some biomarkers tied to biological age, but that does not mean aging itself was reversed.
May 12, 2026
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A randomized clinical trial found a low-calorie diet program helped older adults with overweight lose weight safely, but it did not improve persistent atrial fibrillation symptoms or rhythm outcomes.
A Nature study found obesity-related nerve and immune changes across the bodies of mice, with some matching molecular signals in human tissue.
May 23, 2026
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