All symptoms are not common on all people. It varies from one person to another. Anorexia nervosa, binge-eating, bulima, bervisa and obesity are the most common symptoms. A person suffering from anorexia nervosa often shows signs like looses weight, hormonal changes occur in men and boys, constipation, stomach pains. It can also be judged through behavior. Suddenly behavior will change like, living alone, maximum exercise and denying there is any problem. Psychologically it is seen that fear of weight gain and size, depression. And those suffering from bulima nervosa will show some physical changes like mouth infections, sore throat and swollen glands, damaged teeth, not able to sleep, stomach pains.

It also shows behavioral signs like taking large amount of food, becoming sick and psychologically a patient feels ashamed, remains out of control, depressed and guilty. And a person suffering from binge-eating often gains weight, behaviorally the patient takes huge quantities of food and also taking inappropriate food and psychologically feels emotional, depression and remains out of control and it effects in the personality disorders. The consequences of obesity are at pronounced risk of having mental orders. It also sometimes develops high blood pressure, stroke heart disease, diabetes breast cancer, arthritis, skin problems, and complicacy during pregnancy.