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科学美国人60秒:鼻子能知晓人的想法-托福听力下载

2016-12-30 10:58:00来源:科学美国人60秒

点击查看>>科学美国人60秒音频:鼻子能知晓人的想法

  科学美国人60秒中英文翻译:鼻子能知晓人的想法

  科学美国人60秒英文文本

  They say that the nose knows. But it still gets its marching orders from the brain — at least when it comes to the lungs. Got that? Nose to brain to lungs. Because a new study shows that when people with asthma think they’re smelling something noxious, their airways become inflamed — even when the odor is harmless. The finding is in the Journal of Psychosomatic Research.

  Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents. These environmental annoyances constrict the airways in the lung, making breathing difficult.

  鼻子.jpg

  In this study, researchers wanted to see whether an individual’s assumptions have any influence over this breathtaking series of events. So they exposed 17 asthma sufferers to a benign chemical that smells like roses for 15 minutes. Nine subjects were told the fragrance was a potential irritant, the other eight that it would be therapeutic.

  The results were as plain as the nose on your face: subjects who expected an irritant experienced inflammation. And those who were primed to be soothed had no adverse reactions — even if they were normally bothered by perfumes.

  The results suggest that a rose by any other name would smell as sweet. Or be as irritating as you expect it will.

  中文翻译请点击下一页

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