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据美刊报道,在最近三十年间,美国青少年中的自杀率上升了3倍(从1957年的10万分之4增加到1987年的10万分之12.9),但人们对青少年自杀的原因还几乎一无所知。《美国流行病学杂志》最近发表了南加州大学对青少年进行的一项社区调查的报告。从事此项调查的
According to the American Journal, the suicide rate among American adolescents has tripled in the last three decades (from 100,000 in 1957 to 12.9 in 1987), but the causes of suicides among teenagers are still almost Nothing to know. The American Journal of Epidemiology recently published a report on a community survey of adolescents at the University of Southern California. Engaged in this investigation