比如,他们几乎不会有心脏病,而且也很少感冒。
Why this happens, though, is only slowly becoming understood.
只是这种现象现在还无法解释。
What is needed is an experiment that points out specific and measurable ways in whichsuch emotions alter an individual s biology.
我们需要的是做一个试验,指明具体的,可衡量以情绪改变人体生物机理的方式。
And a study published in Psychological Science, by Barbara Fredrickson and Bethany Kok atthe University of North Carolina at Chapel Hill, does precisely that.
位于查珀尔希尔的北卡罗莱纳州大学的巴巴拉弗雷德里克松和伯斯尼考克最近进行了一项研究,发表在心理科学杂志,他们的研究正体现了这点。
Dr Fredrickson and Dr Kok concentrated their attentions on the vagus nerve.
弗雷德里克松教授和考克教授集中于研究迷走神经。
This nerve starts in the brain and runs, via numerous branches, to several thoracic andabdominal organs including the heart.
这种神经起始端在大脑,通过众多的分支与几大胸部和腹部器官,包括心脏相连。
Among its jobs is to send signals telling that organ to slow down during moments of calm andsafety.
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