Cannabis, AKA marijuana, is a phychoactive drug that can be used for medical or recreational reasons.  
It's quite an interesting drug, can you tell me more about it?
Cannabis (drug)
Cannabis, also known as marijuana among other names, is a psychoactive drug from the "Cannabis" plant used for medical or recreational purposes. The main psychoactive part of cannabis is tetrahydrocannabinol (THC), one of the 483 known compounds in the plant, including at least 65 other cannabinoids. Cannabis can be used by smoking, vaporizing, within food, or as an extract.
Cannabis has mental and physical effects, such as creating a "high" or "stoned" feeling, a
haven't seen the product, so we can't comment on whether or not it's true. Tom does not allow his name and likeness to be used to sell products. And as you can imagine, if he were to do an endorsement, this would hardly be his first choice."
See also.
- Cannabis strains
- Drug subculture
- Medical marijuana
- Cannabis