>"Your neuro-chemistry is altered in such a radical way that you're bound to see yourself and the world from a radically different perspective." This should be

>"Your neuro-chemistry is altered in such a radical way that you're bound to see yourself and the world from a radically different perspective." This should be pretty uncontroversial if you add “while you’re under the effects of the psychedelic”. I suspect that long-term effects are more a result of having had intensely experienced these radically different perspectives, and your ability and approach to integrating this experience with the rest of your life.