- 問題詳情:Doctorssometimesprescribelighttherapytotreataformofdepressioninpeoplewhogettoolittlemorningsun.Buttoomuchlightatothertimemayactuallycausesuchmooddisorders.Longlastingexposuretolightatnightbringsdepression,anewstudyfinds,atleastinanimals.The...
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