Given that most suicidal people suffer from depression and that winter is a season conducive to depression, is suicidal behavior brought about by depression?
我的黑夜更漫長由於幾起自殺個案都患有憂鬱症，加上秋冬又是憂鬱症的好發期，難道是因為憂鬱症發作而誘發自殺行為？