Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," has long been used for ceremonial and medicinal reasons amongst Indigenous peoples for millennia. Psilocybin has a hallucinogenic effect on the Mind. One more probable extended-expression influence of LSD can be a affliction referred to as hallucinogen persisting notion disorder (HPPD). https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92