・Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review Theresa HM Moore, Stanley Zammit, Anne Lingford-Hughes, Thomas RE Barnes, Peter B Jones, Margaret Burke, Glyn Lewis The Lancet - Vol. 370, Issue 9584, 28 July 2007, Pages 319-328 Summary | Full Text(有料) ↓ www.thelancet.com/journals/lancet/article/PIIS0140673607611623/abstract