Read this article today - http://www.bbc.com/news/health-33464480 - and couldn't help but think of the past studies that branded cannabis smoking as an trigger for schizophrenia. Pretty much all the previous findings that were published as an indictment against marijuana use can now be seen in a different light. To my mind it looks more like the pre-schizoid mentality is just predisposed to smoking or its social/anti-social implications...