I have an old friend from school who is having some serious mental issues and is currently institutionalised. I'm not super close with the guy or anything, but I've heard he's been pretty violent on occasions and is known to respond to "voices" and such. This same guy has probably been smoking weed everyday in large amounts since he was like 11 or 12 (now 23). Do you believe there is a connection between the two in this particular case? Note: This isn't an anti-weed thread either, I do enjoy it also occasionally, just curious on some of your thoughts/experiences.