Mark Hyman

Mark Adam Hyman is an American physician and New York Times best-selling 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 publishes Doctor's Farmacy on the Internet, which examines many topics related to human health and welfare. Hyman is a proponent of functional medicine, a controversial form of alternative medicine. He is the board president of clinical affairs of the Institute for Functional Medicine. He was the editor-in-chief of, and is a contributing editor to, Alternative Therapies in Health and Medicine, a peer-reviewed journal.