poison oak and rattle snakes might be natural too but lets not be stupid.
We dont directly use them for medical purposes.
Certain medications can and do cause serious side effects, even death.
MMJ does not.
Stupid? My point was simple enough -- I have heard that things are good for you simply because they are natural. Had one guy tell me cocaine couldn't hurt you because it comes from natural sources. Believe what you want but let's not be stupid.
Obviously many meds can have side bad side effects, nobody disputes that. I would never say that pot has no bad side effects. Have you never seen someone too stoned to drive safely? I didn't say don't use it for medical reasons, in fact I said just the opposite. But be realistic about it, it's not a totally benign panacea.