Psilocybin Psilocybin, the psychoactive compound found in "magic mushrooms," continues to be employed for ceremonial and medicinal applications amid Indigenous peoples for millennia. Psilocybin contains a hallucinogenic effect on the brain. Yet another probable extended-expression impact of LSD is really a problem referred to as hallucinogen persisting notion ailment (HPPD). https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92