Research is showing the endocannabinoid system is deeply involved with pain signaling. The use of cannabis to mimic the body's endocannabinoids and exploit that system is no sham way to get high. It is, and has been for some long time, medicine.
Can you provide more info?
There are a couple of interviews with the speaker in that last link (1, 2) in a snap about his book.
Ok,this sounds interesting, thanks.
Found an interesting source for you, if you're into that sort of thing.
Thank you! So much I didn't know!