it causes illness duh
deleting answers isn't cool dude..
A common answer would be either depression or post-traumatic stress disorder.
Weed, bubba kush, Broccoli, Trees, etc
Marijuana is bad to inhale (any smoke is)
Marijuana cause lung cancer if inhaled to much.
Also Marijuana can harm your memory- causing memory loss
(and not even remembering anything at that)
The right answer is: A) A living thing.