BAsic information description Anorexia is a type of eating disorder. A person refuses to eat enough to maintain a normal weight for height and age. It develops over time and can occur in both sexes. It most often affects young females ages 12 to 25. frequent signs and symptoms Weight loss of at least 15% of ideal body weight. Continues to diet when not overweight. May restrict food intake or binge on food and then purge. Person feels fat even when extremely thin. Intense fear of...