LIZ VACCARIELLO is senior vice president and editor-in-chief of Prevention, the largest health magazine in the U.S., with nearly 11 million readers. Vaccariello, co-author of the New York Times best-seller Flat Belly Diet!, resides in New Jersey with her husband, Steve, and twin daughters, Sophia and Olivia. D. Milton Stokes, MPH, RD, CDN, has 20 years of experience in the areas of food and nutrition as a registered dietitian and restaurateur. A spokesperson for the American Dietetic Association, he's written for Cooking Light, Fitness, Self, The Washington Post, Ladies Home Journal, Men's Health, WeightWatchers.com, and others. Milton lives and practices in Connecticut.