Dr. Jason Fung is a New York Times-bestselling author whose books include The Obesity Code, The Diabetes Code, The Obesity Code Cookbook, The PCOS Plan, Life in the Fasting Lane, and The Complete Guide to Fasting (co-authored with Jimmy Moore). Dr. Fung completed medical school at the University of Toronto and a fellowship in nephrology at the University of California. Dr. Fung is also the co-founder of The Fasting Method, a program to help people lose weight and reverse Type 2 Diabetes naturally with fasting. He lives in Toronto. Dr. Nadia Brito Pateguana is a naturopathic doctor with a focus on helping people with metabolic syndrome, including women with polycystic ovary syndrome (PCOS), overcome infertility through dietary modifications. She is a graduate of the Canadian College of Naturopathic Medicine and has been in clinical practice for more than fifteen years.