英文短文:Light All Night Not Alright

　　短文，并不是一种文学体裁，因而以前并没有短文这一提法。近年来，由于社会日新月异的发展，人们的'生活节奏加快了，催生了对于短篇幅文章的大量需求，所以，短文才被提到一个崭新的高度，进入到人们的视野。以下是小编为大家整理的英文短文:Light All Night Not Alright，欢迎大家借鉴与参考，希望对大家有所帮助。

　　In a study presented at the annual meeting of the Society for Neuroscience, researchers found that mice that were exposed to light all night long showed signs of depression. Karen Hopkin reports

　　A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression.

　　If you have access to electricity, you no doubt switch on a lamp, maybe even watch a little TV, after the sun goes down. But our bodies use cues about lightness and dark to regulate our hormones and of course our sleep cycles. So what might these extra photons be doing to our health?

　　To find out, scientists housed mice in a room where the lights were always on. After three weeks, they found that mice who lived in the spotlight showed symptoms of depression, more so than mice who enjoyed eight hours of darkness at night. Interestingly, mice who could escape the light by ducking into a dark tube also escaped the worst of the depression. The findings were presented on October 21st at the Society for Neuroscience meeting in Chicago, and they’ll be published in the journal Behavioural Brain Research in December.

　　So flip that light switch at your own risk. Because the artificial brightness that helps keep us up could also bring us down.

　　—Karen Hopkin

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