Mark Hyman, MD is the Founder and Senior Advisor of the Cleveland Clinic Center for Functional Medicine and Founder and Director of The UltraWellness Center. He is the bestselling author of numerous books, including Young Forever, The Pegan Diet, Food Fix, Food: What the Heck Should I Eat?, Food: What the Heck Should I Cook?, Eat Fat, Get Thin, The Blood Sugar Solution 10-Day Detox Diet, and The Blood Sugar Solution.