They exist, WW2 was proof of it. It gave us both Meth(axis) and Cocaine(allies) among other things. It's just that it comes at a very high cost of the users lon

They exist, WW2 was proof of it. It gave us both Meth(axis) and Cocaine(allies) among other things. It's just that it comes at a very high cost of the users long term health and/or sanity.