Answer:
Bulimia
Explanation:
Bulimia is eating disorder characterized by consuming large amounts of food while feeling out of control and then compensating by getting rid of the calories with behaviours, like vomiting.
The answer is c because I said so, and yeah i need 20 characters so here ya go.... ITS C
It usually take half lives
Personally I feel that we should study all human behaviors because it gives us explanations why a person is acting a certain way