Not sure you're arguing on the appropriate point, Tom. I wasn't taking issue with your link. I didn't even read it, to be honest. I know about the UC San Diego studies. That wasn't what the original link that this thread referred to. It was the BBC story in the original thread. That was what I was responding to.

By the way, cannabis was rescheduled in the 70s, if that's what you mean by lumped with other narcotics, but it was banned long before that--in 1937.