2. 外语
  3. Light All Night Not Alright整夜开灯并非好事 A nightlight may keep those monsters under the bed. / But it may also open the door to t

Light All Night Not Alright整夜开灯并非好事 A nightlight may keep those monsters under the bed. / But it may also open the door to t

admin2014-04-25  27
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答案Light All Night Not Alright整夜开灯并非好事 A nightlight may keep those monsters under the bed. / But it may also open the door to the blues. / 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. / So flip that light switch at your own risk. / Because the artificial brightness that helps keep us up could also bring us down. /
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