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 ... Show More
Aug 6
Four types of thinker, the cyclosporiasis outbreak, and the UK’s biggest telescope threatened
Madeleine Finlay is joined by Ian Sample, Guardian science editor, to discuss three eye-catching science stories including an investigation that has identified four distinct types of thinker. Also on the agenda is the unprecedented cyclosporiasis outbreak in the US which has now ... Show More
22m 11s
Aug 2022
Are Vitamins and Supplements Necessary or a Waste of Money? It Depends.
Almost one in every three Americans takes a multivitamin. But why? In many cases, nutrients from multivitamins are covered by a healthy daily diet. For some, vitamins and supplements are beneficial. But how do you know if you really need vitamin B, C or D? Or if fish oil or turme ... Show More
21m 13s
Sep 2025
Top Doctor: The hidden dangers in your daily multivitamin | Dr David Seres
We’re told vitamins are essential for our health. That they boost our immune systems, fight fatigue, and protect us from disease. But what if most of it isn’t true?
In the 20th century, vitamin supplements were hailed as a breakthrough, curing diseases like scurvy and rickets. B ... Show More
58m 41s
Oct 2017
Vitamins & Supplements - Are They Worth It?
Americans spend billions of dollars on vitamins and supplements, but are they worth it? We look at the science behind some of the most popular supplements with nutritional epidemiologist Prof. Katherine Tucker, neuroscientist Dr. Simon Dyall, and medical researcher Dr. Mark Bolla ... Show More
36m 38s
