1. It's not practically impossible to od on marijuana. It IS impossible to od on marijuana. 2. Marijuana is addictive, everything is addictive. Marijuana just has a higher mental addiction then physical addiction. 3. It's obviously way better then smoking cigarettes or drinking alcohol. Still to imply there are no ill side effects from long term marijuana use is irresponsibil, especially when your talking to adolescents. 4. OFF TOPIC