Arthur Agatston, MD, is the medical director of Wellness and Prevention for Baptist Health South Florida and a clinical professor of medicine at the Florida International University Herbert Wertheim College of Medicine. Creator of the bestselling South Beach Diet series, he has also authored numerous scientific articles and is frequently quoted in the media on diet and health. Dr. Agatston lives and practices in Miami Beach. Natalie Geary, MD, is executive vice president of the Diabetes Research Institute Foundation in Miami. An integrative physician with an expertise in treating wheat allergy and gluten sensitivity in both adults and children, she lives and works in Miami and New York.