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Another report/study about how cannabis might increase the risk of psychosis,

http://uk.news.yahoo.com/21/20110302/tu ... 23e80.html

http://www.bmj.com/content/342/bmj.d738

I love the way the first report says ".......... experts have warned" etc.

I remember my Dad years ago defining the word expert. He said " X is an unknown quantity, and a spurt is a drip under pressure."