In the absence of good scientific data about the effects of artificial hallucinogens it's good to stick to the natural ones.
Terence McKennaWithin the context of the alchemical vocabulary, the psychedelic experience, as brought to us through plants long in the possession of Aboriginal people, appears to be the identical phenomena.
Terence McKennaSafety is really a concern of mine, and what I've been telling people recently is that until there's animal and human data on a drug it should probably be looked at very carefully.
Terence McKenna