Psilocybin Psilocybin, the psychoactive compound located in "magic mushrooms," has long been employed for ceremonial and medicinal purposes among Indigenous peoples for millennia. Psilocybin contains a hallucinogenic effect on the brain. Another prospective very long-time period influence of LSD is really a issue identified as hallucinogen persisting perception problem (HPPD). https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92