英文短文:Light All Night Not Alright

　　短文，并不是一種文學(xué)體裁，因而以前并沒有短文這一提法。近年來，由于社會(huì)日新月異的發(fā)展，人們的'生活節(jié)奏加快了，催生了對于短篇幅文章的大量需求，所以，短文才被提到一個(gè)嶄新的高度，進(jìn)入到人們的視野。以下是小編為大家整理的英文短文:Light All Night Not Alright，歡迎大家借鑒與參考，希望對大家有所幫助。

　　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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