LOTS of Marijuana not harmless.

[Willkillforfood]

http://www.reuters.com/article/topNews/idUSN0227147420080602?feedType=RSS&feedName=topNews

They're looking into tests on more short-term and mild usage of marijuana.

[Vault Dweller]

The men had smoked at least five marijuana cigarettes daily for on average 20 years.

That's quite a bit of pot. I can't say I haven't smoked that much in a day before, but daily? That's dedication.

[Thanatos]

Well no shit they're going to be retarded. 5 joints daily for 20 years is a little overboard. Abusing anything that much is going to have negative consequences.

[WetWired]

True. Even drinking too much water can kill you.

[Willkillforfood]

Breathing too much air kills me.

[Asamin]

If to much of a good thing is bad, is to much of a bad thing good?

Nope, not a biconditional.

[karmine]

everyone i know that has smoked that much for that long developed anxiety disorders etc and now pop xanax/effexor etc while they smoke to counter the negative effects. and it doesnt take 20 years, took me 10.