In this eye-opening report, New York Times science writer Gina Kolata shows that our society's obsession with dieting is less about keeping trim and staying healthy than about money, power, trends, and impossible ideals. Kolata's account of four determined dieters in a study comparing the Atkins diet to a low-calorie one becomes a broad tale of science and society, of social mores and social sanctions, and of the place of diets in American society.