What are warning signs that a person may be suffering from anorexia nervosa?

a. eating large amounts of food in a short time, purging, and tooth decay
b. eating when not hungry, eating alone, or feeling guilt about food

c. excessive use of laxatives or diet pills and frequent trips to the restroom

d. extreme weight loss, over-exercising, and obsessing over food consumed

Anorexia Nervosa is potentially a life-threatening disorder where patients suffering from it mimic starvation but can't eat enough food.

Explanation:

This disorder is marked by dangerously low body weight and patients with this disorder have a fear of gaining weight or appearing fat.

The symptoms of Anorexia Nervosa include extreme weight loss, not meeting developmental growth milestones, inability to sleep, and feeling faint.