VITAL researcher JoAnn Manson outlines findings on vitamin D, omega-3

Tuesday, December 11, 2018 - 23:11 in Health & Medicine

The VITAL study, supported by the National Institutes of Health and headed by JoAnn Manson, the Michael and Lee Bell Professor of Women’s Health at Harvard Medical School and a professor of epidemiology at the Harvard Chan School, sought to clear up confusion around two popular dietary supplements through an analysis whose design has long been considered the gold standard for clinical trials. Randomized and placebo-controlled, VITAL followed more than 25,000 people age 50 and older who took daily supplements containing vitamin D, omega-3 fatty acids, or placebo. The Gazette spoke with Manson about the results, which were published this month in The New England Journal of Medicine. Q&A JoAnn Manson GAZETTE: What gaps in knowledge was the study intended to fill? MANSON: It helped to fill several knowledge gaps. For omega-3 fatty acids, the previous randomized trials had largely been in high-risk populations with a history of cardiovascular disease (CVD) or with selected risk factors for...

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