Eating Disorders饮食障碍
Refusal to maintain body weight at or above a minimally normal weight for age and height (e.g., weight loss leading to maintenance of body weight less than 85% of that expected; or failure to make expected weight gain during period of growth, leading to body weight less than 85% of that expected).
拒绝维持与身高年龄相应的基本体重（比如：体重的丢失导致体重少于应有体重的85％；或者达不到相应阶段应该增长的85％）。
Intense fear of gaining weight or becoming fat, even though underweight.
尽管体重低于正常，仍然非常害怕体重增加或变胖。
Disturbance in the way in which one’s body weight or shape is experienced, undue influence of body weight or shape on self-evaluation, or denial of the seriousness of the current low body weight.
对体重或体形的关注已经造成痛苦，过分影响到对自我的评价，或者不面对自己现在体重过轻的严峻事实。
In postmenarcheal females, amenorrhea, i.e., the absence of at least three consecutive menstrual cycles. (A woman is considered to have amenorrhea if her periods occur only following hormone, e.g., estrogen, administration.)
在育龄女性，出现不正常停经（比如；女性只能在外用激素的情况下出现月经）
Bulimia Nervosa神经性暴食症
A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
eating, in a discrete period of time (e.g., within any 2-hour period), an amount of food that is definitely larger than most people would eat during a similar period of time and under similar circumstances
在一定的时间里大量进食，所吃食物大于同样情况下大多数人所进食的量。
a sense of lack of control over eating during the episode (e.g., a feeling that one cannot stop eating or control what or how much one is eating)进食后又感到失去控制的自责（比如：感到自己不能停止进食，或不能控制进食的量）
B. Recurrent inappropriate compensatory behavior in order to prevent weight gain, such as self-induced vomiting; misuse of laxatives, diuretics, enemas, or other medications; fasting. Or excessive exercise.反复使用不恰当的补偿手段以防止体重因暴食增加，引吐，泄药，灌肠，禁食，过度运动。
D. Self-evaluation is unduly influenced by body shape and weight.自我的价值过分地被体重和体形影响。
E. The disturbance does not occur exclusively during episodes of Anorexia Nervosa暴食和补偿行为不仅仅发生在神经性厌食症发作时期。