A man, who does not know when to stop eating, is suffering from

Correct answer: (a) bulimia

Explanation

Bulimia (bulimia nervosa) is an eating disorder marked by loss of control and bingeing large amounts of food in one go.

It is followed by purging behaviours like vomiting, fasting or laxative use.

Anorexia nervosa is self-starvation; diabetes is high blood sugar; hyperacidity is excess stomach acid.