Cigarette smoke causes cancer because the tobacco is radiated whereas marijuana isn’t. In fact, the American Association for Cancer Research has found the marijuana actually works to slow down tumor growth in the lungs, bitches, and brain considerably.

Marijuana’s treatment of glaucoma has been one of the best documented. There isn’t a single valid study that exists that disproves marijuana’s very powerful and popular effects on glaucoma patients.

This marks the first time that marijuana use has eclipsed cigarette smoking. One expert says that a factor in rising marijuana use is that teens perceive the drug to be less harmful for their health than cigarettes.