Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," is used for ceremonial and medicinal uses between Indigenous peoples for millennia. Psilocybin features a hallucinogenic effect on the brain. Through the mid-sixties, use of LSD unfold commonly while in the emerging counterculture, along with the designs and colors characteristic of https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share