Multivitamins are cheap, convenient, and provide a little bit of reassurance if our diet isn’t quite as healthy as we’d like. But a recent study of nearly 400,000 people spanning 20 years found they didn’t help users live longer, and in fact appeared to show a 4% increased mortality risk. Ian Sample hears from JoAnn Manson, a professor of medicine at Harvard Medical School, to find out what the evidence tells us about the overall health benefits of multivitamins, and how consumers can navigate this large and sometimes confusing market
Clips: Good Morning America, CBS
Daily multivitamins do not help people live longer, major study finds
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