What is Anorexia?
Anorexia nervosa (AN) is the fear of becoming fat and/or perceiving yourself as fat when you aren’t necessarily so; it is characterized by weight loss or difficulty maintaining appropriate weight and often negative body image.
Healthline.
“People with anorexia nervosa eat an extremely low-calorie diet and have an excessive fear of gaining weight. They often feel better about themselves when they lose weight. They may also exercise excessively.”