Paul Offit

Paul Offit, MD, is a professor of pediatrics at the University of Pennsylvania. He is the author of Do You Believe in Magic? The Sense and Nonsense of Alternative Medicine.

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  1. The Vitamin Myth: Why We Think We Need Supplements

    Nutrition experts contend that all we need is what’s typically found in a routine diet. Industry representatives, backed by a fascinating history, argue that foods don’t contain enough, and we need supplements. Fortunately, many excellent studies have now resolved the issue.

    A jumble of pills and tablets in varying colors and opacities photographed on a white background
    Brian Hagiwara / Getty