From: Epidemiology of anorexia nervosa in Japanese adolescents
1 | Weight loss of more than 20 % of normal weight, lasting longer than 3 months. |
2 | Abnormal eating behavior involving food restriction, bulimic episodes, and eating by stealth. |
3 | Disturbances in the way in which one’s body weight or shape is experienced and intense fear of gaining weight, even though underweight. |
4 | Onset younger than 30 years. |
5 | In females, amenorrhea, as well as other clinical symptoms including lanugo, bradycardia, constipation, hypotension, hypothermia or edema. |
6 | Negation of illness including other psychiatric disorders that account for anorexia and weight loss. |