As I have stated previously, I am somewhat suspicious of the pro-medical marijuana arguments. If you've been reading this blawg for a while you'll remember a couple years ago when I asked if marijuana's effects are as good as advertised why hasn't anyone come up with a pill containing the effective ingredients? After all, we know it can effect people through ingestion (brownies).
Well, it looks as though my proffered solution was backward. Rather than try to put the ingredients of marijuana in a pill scientists are going to stop the breakdown of "stress-induced analgesia" which appears to be a fancy way of saying "the brain's own marijuana-like compounds." In other words, it won't induce from an external source, it will stop the body from reducing its own compounds which marijuana mimics.