It was fashionable to be fat throughout most of history. Obesity was attractive because it was considered to be a sign of wealth. Those who could obtain enough food to keep themselves and their family well fed were people with money. In the past century, however, food has been abundant in most of the developed nations, and thinness has become fashionable. Eating disorders have increased significantly over the past thirty years. The two most common eating disorders include anorexia and bulimia nervosa. Anorexia nervosa is a disease in which women become very self-conscious about their weight and have an intense fear of becoming fat. They go to such extremes as starving themselv