来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第13集 第13集》
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like the girls don't make much estrogen,就像女孩缺少雌激素一样 -
but they get the real live illness.但他们的的确确是病了 -
It tends to begin in adolescence, mid-adolescence,往往是从青春期的早期和中期开始 -
and start right around the time of puberty反正就在青春期左右的时间开始 -
or even a little before,甚至是在青春期开始前 -
certainly fresh onset in the twenties, but rare after that.可能会在二十岁发病 但之后就很少了 -
Still does tend to come from仍然是中上阶层占大多数 -
the middle-upper classes, though not exclusively.但也不绝对 -
You certainly see people from poor families你可以看到出身贫寒的人 -
who present with anorexia nervosa.患有厌食症 -
I assume because of the link to economic state,由此我认为经济状况与此相关 -
tends still to be Caucasian in this country,美国白种人是患病主流人群