While I'm totally for drug (all drugs - not just cannabis) legalisation/regulation, I do think the "dangers" of marijuana have been really downplayed over the last few years. I know a lot of people at university who got into smoking it very often and basically lost 10+ years of their life to complete apathy to anything. Some have now stopped and are totally different people - just 10 years behind. While it doesn't ca…
Not any different that tens of different ways to do that: from videogame addiction (someone mentioned it already), to depression (and in fact marijuana can help fight that), not knowing what to do with yourself, to accidental pregnancy, to drinking, to studying for a liberal arts degree (couldn't resist the joke), ...
Besides most people don't go to the university and don't have any particular "big plans" anyway, marijuana or not.