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An extensive analysis of longitudinal studies on marijuana use and risk of mental illness later in lifeshowed that marijuana use increases the risk of developing mental disorders by 40 percent. The risk of psychosis increases with frequency of marijuana use, from 50 to 200 percent among frequent users.
The authors conclude that “there is now sufficient
evidence to warn young people that using cannabis could increase their risk of developing a psychotic illness later in life.”13
Other studies also show a strong relationship between marijuana and schizophrenia. A study fromNew Zealand showed “a clear increase in rates of psychotic symptoms after the start of regular use” of marijuana.14 Another 21-year longitudinalstudy showed that marijuana use was associated with psychotic symptoms and suggested a causal relationship.15 A study published in Schizophrenia Research found that cannabis use seems to be a specific risk factor for future psychotic symptoms.
Originally posted by Torsten
A while ago, I dealt in the weed trade. I smoked an UNGODLY amount of weed EVERY day...and not once did I ever get depressed. Sure, some mornings I woke up feeling retarded as #%$&, but the haze always dissipated by noon or so. I was never violent or anything besides happy really. Also, it didn't "kill" any brain cells, or at least not near enough to affect me as I have a pretty damn high IQ. So, the government LIES! I vote REVOLUTION! Take up thy swords!
Originally posted by Bunch
To negate the fact that using cannabis in excess could result or lead to something negative is just naive.