Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," is utilized for ceremonial and medicinal reasons between Indigenous peoples for millennia. Psilocybin has a hallucinogenic impact on the brain. Throughout the mid-sixties, use of LSD spread widely while in the rising counterculture, and the shapes and colors characteristic of LSD-induced https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share