In the early 1980s, McKenna began to speak publicly on the topic of psychedelic drugs, focusing on the plant based psychedelics like; psilocybin mushrooms (which were the catalyst for his entire career), ayahuasca, cannabis and the plant derivative DMT.
In the early 1980s, McKenna began to speak publicly on the topic of psychedelic drugs, becoming one of the pioneers of the psychedelic movement in the west. His main focus was on the plant based psychedelics like; psilocybin mushrooms (which were the catalyst for his career), ayahuasca, cannabis and the plant derivative DMT.