bulimia vs. anorexia

Also called binge-purge syn·drome [binj, -, purj, sin-drohm], Psychiatry. a habitual disturbance in eating behavior mostly affecting young women of normal weight, characterized by frequent episodes of grossly excessive food intake followed by self-induced vomiting to avert weight gain. Compare anorexia nervosa.

Also called hyperphagia. Pathology. abnormally voracious appetite or unnaturally constant hunger.

Psychiatry. anorexia nervosa.

loss of appetite and inability to eat.