anorexia nervosa and bulimia nervosa

Anorexia nervosa and bulimia nervosa are common syndromes characterized by abnormal eating states. AN and BN are two different clinical manifestations of the same chronic eating disorder. Although the clinical manifestations and outcomes of these two syndromes are different, these features indicate that the etiology of the two diseases is the same: both are fear of obesity. Therefore, these patients make food intake the focus of their lives.