The first book to identify the eating disorder orthorexia nervosa-an obsession with eating healthfully-and offer expert advice on how to treat it. As Americans become better informed about health, more and more people have turned to diet as a way to lose weight and keep themselves in peak condition. Anorexia nervosa and bulimia nervosa-disorders in which the sufferer focuses on the quantity of food eaten-have been highly documented over the past decade...