Many people—psychologists among them—believe that depressive symptoms can have a seasonal component, becoming worse in winter months. But a new large-scale study of more than 34,000 people finds no evidence of seasonal variation. The study’s authors argue that their findings “… cast doubt on major depression with seasonal variation as a legitimate psychiatric disorder.”
More on Science Daily:
http://www.sciencedaily.com/releases/2016/01/160120122808.htm
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很多人，當中包括心理學家，都相信抑鬱症狀會受到季節因素影響，例如冬季時症狀會變得較嚴重。但近期一個超過34,000人參與的大規模研究指出，沒有證據顯示季節變化對抑鬱症狀造成影響。而研究報告的作者更質疑「把受季節變化影響的嚴重抑鬱症作為精神障礙的合法性。」
想了解更多，可參閱Science Daily: http://www.sciencedaily.com/releases/2016/01/160120122808.htm