【经济学人】实验小鼠是否太过干净？丨2017.3.23丨总第849期

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导读 20世纪80年代以来，气喘和过敏性体质的盛行率有明显上升的趋势，尤其是在西方国家或大多现代化国家。当这种趋势无法单纯地以基因改变或诊断工具的进步来获得完美解释时，有些学者开始研究人的生活环境和过敏性疾病之间的关系，从而发展成了“卫生假说”。 Dirty secrets “肮脏环境”中的秘密 Are laboratory mice too clean? 实验小鼠是否太过干净？ The hygiene hypothesis may also  apply to animal experiments 卫生假说也可能适用于动物实验 Mar 23rd 2017 THE hygiene hypothesis posits that certain diseases—notably asthma, eczema and type-1 diabetes—which are becoming more common than they once were, are caused in part by modern environments being too clean. The diseases in question result from misfunctions of the immun ………………………………