Marijuana itself isn't really bad for you but the act of smoking it (how most people consume it) is pretty bad - even worse than cigarettes in some cases due to lack of a filter.
6. AIDS: More recently, scientists found that THC might have a helpful function: stopping the spread of HIV in monkeys. According to researchers, monkeys that were treated with high THC doses on a daily basis had more healthy cells than those who did not. While these findings are preliminary, and have not been observed in humans, they are promising.
Harvard Scientists Studied The Brains Of Pot Smokers.....Cannabis Use Is Quantitatively Associated with Nucleus Accumbens and Amygdala Abnormalities in Young Adult Recreational Users.
The OP is misleading.
