Answer:
(1st pic): Anorexia nervosa. it is an illness that usually occurs in teenage girls. It also can occur in teenage boys, and in adult women and men. It can cause heart disease, weakening bones, Changes in Reproductive Health, Changes to Skin, Hair and Teeth, Fewer Blood Cells, Dehydration and Kidney Damage, Brain and Nerve Changes.
(2nd pic): Bulimia nervosa. these kind of people with Bulimia nervosa eats unusual large amount of food. these are the examples of Bulimia causes; Stomach damage from overeating. Electrolyte imbalance Ulcers and other damage to your throat from vomiting.
(3rd pic): Binge eating disorder. it is when you consume large amount of foods and feel unable to stop eating. we overeat on occasions specially on holidays.