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英语翻译A new study indicates that the genetic culprits behind s

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英语翻译
A new study indicates that the genetic culprits behind schizophrenia may be much less common than previously believed.Researchers report this week in Science that a rare but devastating change in one of several different genes may dramatically increase the risk of developing the debilitating brain disorder affecting 1 percent of the world's population and marked by psychotic behavior,hallucinations and delusions.Until now,most scientists believed that it was likely that a cluster of relatively common genetic mutations was to blame.
一项新的研究表明,精神分裂症背后的罪魁祸首可能远没有人们以前认为的那么常见.研究者这周在《科学》报道一种少见但一种多种基因的破坏性改变会大幅度增加脑部衰弱紊乱,通过行为、幻觉和妄想影响了世界百分之一的人口.直到现在,大多数的科学家认为很可能一群相对常见的基因突变是罪魁祸首.