“Hydrocodone and insulin cure no diseases - are they not medicine?”
At best, marijuana is like a “natural” aspirin (like ginger pills or something). And there must be many other chemicals and/or plants that persons could imbibe for pain relief while suffering from nausea, although none of them has a few million recreational users lobbying for their legalization.
Marijuana keeps people from dying from AIDS wasting.
there must be many other chemicals and/or plants that persons could imbibe for pain relief while suffering from nausea
Probably - so what? Should there be an upper limit to the number of medications available for a given condition?