Eating disorders Anorexia Nervosa, Bulimia Nervosa are severe disturbances in eating behavior which include bingeing, purging, and starving.
Weight loss is associated with success and weight gain associated with failure.
Each of these disorders has significant physical, psychological and social consequences. Diagnosis and treatment is essential. Onset of these disorders is usually from early adolescence to young adulthood. No one knows for sure why some people develop eating disorders. Dieting is known to be a strong precursor.