Originally Posted by cranki

sure thing, marijuana itself doesn't increase the risk of lung cancer - just like tea or coffee don't...

however, SMOKING whatever you like - tobacco, marijuana, maple leafs, sawdust DOES increase the risk, as tar and other hydrocarbons and oxygen radicals cause the breeding of carcinomas...

don't get me wrong, I do consume mj myself and I'm a big advocate of the plant, but I don't want people to think that smoking (marijuana, tobacco, whatever) is harmless... it might be a bit less harmful as it doesn't include other carzinogens which are included in cigarettes though....