Marijuana marijuana marijuana?

If you smoke it you can get arrested. That's about all the negatives there are. I guess if you smoke it, the smoke could damage your lungs (because ALL smoke damages your lungs), not as much as cigarettes (which are legal), but still, you know, a little bit of damage. But you don't have to smoke it, you could eat or vaporize it. No other negative effects, to my knowledge, have been proven.