[mac_truck]

But I did find just how wide the range of correlation is between substance abuse and paranoid schizophrenia HERE.

I agree. The scientists interviewed for the article were pretty clear that the causal realtionship is specifically between cannibis and mental illness, as opposed to the broader catagory of substance abuse.

As far as direct references go I found this one with no problem An Interview with Dr Nadia Solowij , and there are plenty of others available.

[TBall]

In this article the girl says she used LSD. To drop acid is to play Russian Roulette in that there is a chance that one's sanity may never return. Not a very good subject for a study to say the least.