Question

bulimia is
self - starvation leading to extreme weight loss
cycles of binging and purging
compulsive overeating
purging, including overexercising

Explanation:

Anorexia nervosa is characterized by self - starvation and an intense fear of gaining weight, which often leads to extreme weight loss. Bulimia nervosa is associated with cycles of bingeing and purging. Compulsive overeating is more about consuming large amounts of food without the purging behavior. Purging (including over - exercising) is a behavior in some eating disorders but not the defining characteristic of anorexia.

Answer:

Self - starvation leading to extreme weight loss.