Models are pretty and thin and are often taken as role models of success. However they must be underweight to look "perfect" on television and magazines. In order to be thin, they develop a disease called anorexia nervosa. Although anorexia and bulimia are related to eating disorders, anorexia nervosa has more background than bulimia. This essay states what anorexia nervosa is and for how long the disease has been around in society. There is more tan one definition of anorexia nervosa; however, all describe the same problem ....