Mark Hyman

Mark Adam Hyman is an American physician and author. He is the founder and medical director of The UltraWellness Center and was a columnist for The Huffington Post. Hyman was a regular contributor to the Katie Couric Show until the show's cancellation in 2013. He writes a blog called The Doctor’s Farmacy, which examines many topics related to human health and welfare. He is the author of several books on nutrition and longevity, including Food Fix, Eat Fat, Get Thin, and Young Forever.