
Despite that fact that two-thirds of Americans say they are on a diet to improve their health, very few are actually decreasing in size. "Dieting is a skill, much like riding a bicycle, and requires practice and good instruction, " says Jessica Bartfield,MD, internal medicine who specializes in nutrition and weight management at the Loyola Center for Metabolic Surgery & Bariatric Care. "You're going to fall over and feel frustrated, but eventually you will succeed and it will get easier."