Quote Originally Posted by surreys princess
it means that in people with schizophrenia have dopamine surges, responsible for pleasure, and it is what makes them (and anyone else) desire to smoke..

I would say that's quite likely. A friend of mine has schizophrenia, I can't remember when he developed it, whether he had it from birth or not. He was always wanting to get high, if it wasn't weed he'd smoke crack, he did this knowing how fucked up he would be the following few days, sometimes it would take months to detox from it. He would have to go to a unit where they pumped him full of all sorts of medication. Regardless of that he would still want to smoke/drink as much as he could. I would say its more likely schizophrenia causing reckless use of MJ than MJ causing schizophrenia.