Liberty
Libertarian Minded
Take your pick.
There are any number of studies that were done on substance usage/abuse and the deveolopment of teens.
Most of them cover social growth, personal development, affects on schooling, etc.
If you have access to something that is counter, please post it.
My personal experience tells me that you're correct, and that kids shouldn't be learning on dope.
Which isn't in conflict with anything I've said.