Is there a resemblance between the contemporary anorexic teenager counting every calorie in her single-minded pursuit of thinness, and an ascetic medieval saint examining her every desire? Rudolph M. Bell suggests that the answer is yes. "Everyone interested in anorexia nervosa . . . should skim this book or study it. It will make you realize how dependent upon culture the definition of disease is. I will never look at an anorexic patient in...