You can’t pick up a newspaper paper today, watch the news or browse any psychological, transpersonal or addiction journal and not come across some reference to, or scientific article about, psychedelics. We are currently undergoing something of a psychedelic renaissance with even wider acceptance, far more scientific and medical research and excitement around the psychological and mental-health benefits of psychedelics, than occurred...

“The renaissance of interest in Eastern spiritual philosophies, various mystical traditions, meditation, ancient and aboriginal wisdom, as well as the widespread psychedelic experimentation during the stormy 1960s, made it absolutely clear that a comprehensive and cross-culturally valid psychology had to include observations from such areas as mystical states; cosmic consciousness; psychedelic experiences; trance phenomena; creativity; and...