Table 1.

The diagnostic criteria of anorexia nervosa put forth by The Survey Committee for Eating Disorders of Japanese Ministry of Health, Labour and Welfare

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.