GRE阅读练习：保持健康心态才能身体更棒.docxVIP

Word文档下载后（可任意编辑） 第 第 PAGE 1 页 共 NUMPAGES 1 页 GRE阅读练习：保持健康心态才能身体更棒 GRE阅读文章：GRE阅读练习：保持健康心态才能身体更棒 GRE考试精品课程训练  THE link between mind and body is terrain into which many medicalresearchers, fearing ridicule, dare not tread.  许多医学研究者都不敢探究躯体和心理的关系，因为他们害怕，踏进这一领域会受人嘲笑。  But perhaps more should do so.  但也许，研究这方面的人应该多一些才好。  For centuries, doctors have recognised the placebo effect, inwhich the illusion of treatment, such as pills without an active ingredient,produces real medical benefits.  几个世纪以来，医生已逐渐认可了安慰剂效应。因为患者会产生错觉，认为自己在接受治疗。比如，服用无活性成分的药片也能产生实际疗效。  More recently, respectable research has demonstrated that thosewho frequently experience positive emotions live longer and healthier lives.  根据最 近的可靠的研究表明，平时积极乐观的人会活得更长久、更健康。  They have fewer heart attacks, for example, and fewer colds too.  比如，他们心脏病发作的次数更少，也很少感冒。  Why this happens, though, is only slowly becoming understood.  然而，人们才开始慢慢了解这种情况发生的原因。  What is needed is an experiment that points out specific andmeasurable ways in which such emotions alter an individuals biology.  人们需要的是做一场实验，明确这样的情绪是通过怎样具体的、可测量的方式来改变人的生理状况。  And a study published in Psychological Science, by Barbara Fredricksonand Bethany Kok at the University of North Carolina at Chapel Hill, doesprecisely that.  北卡罗来纳大学教堂山分校的芭芭拉·弗雷德里克松和贝瑟尼·可可就是按照这个思路做了一项研究，并在《心理科学》上发表了相关论文。  Dr Fredrickson and Dr Kok concentrated their attentions on thevagus nerve. This nerve starts in the brain and runs, via numerous branches, toseveral thoracic and abdominal organs including the heart.  弗雷德里克松博士和可可博士把注意力集中在迷走神经上。这对神经起于颅腔，通过无数分支与胸腔、腹腔的几个脏器相连。  Among its jobs is to send signals telling that organ to slow downduring moments of calm and safety.  它的其中一项工作就是为器官发送信号，让它们在躯体平静、安宁的状态下放缓节奏。  How effectively the vagus nerve is working can be tracked bymonitoring someones heart rate as he breathes in and out.  他们通过监测一个人吸气、呼气时的心率，追踪记录迷走神经如何有效地工作。  Healthy vagal function is reflected