[dead]

There are a small number of people who can aggravate their existing mental problems through chronic marijuana use. Others aggravate them with alcohol or with prescription drugs.

From what I've seen, alcohol is the far more effective way of ginning up your mental issues into bouts of violence.

[Tolsti2]

Gotta disagree when you say ‘small’. It’s huge, but most can’t stand the idea and disregard it.