Louis Flancbaum, M.D. is the Chief of the division of Bariatric Surgery at St Luke's—Roosevelt Hospital Center in New York City and Associate Professor of Clinical Surgery at the College of Physicians and Surgeons of Columbia University. Erica Manfred is a medical journalist whose work has appeared in Cosmopolitan, Ladies Home Journal, and more. She lives in West Hurley, New York. Deborah Flancbaum, MS Ed,, is a freelance writer and editor. She and her husband, Louis, live in Teaneck, New Jersey.