Psilocybin Psilocybin, the psychoactive compound found in "magic mushrooms," has become useful for ceremonial and medicinal applications amongst Indigenous peoples for millennia. Psilocybin incorporates a hallucinogenic effect on the brain. Possession of LSD is a very major criminal offense, no matter whether It can be a first or fourth offense, https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share