Psychedelic drug The phrase "psychedelic" refers to a class of psychoactive substances that create profound alteration of perception, thought, psychological state, and behavior. These involve basic psychedelics for example LSD, mescaline, psilocybin, DMT, ayahuasca, and peyote; dissociatives like ketamine, nitrous oxide, alcohol, and barbiturates; and stimulants like MDMA and methamph... https://neily357qjz3.wikitelevisions.com/user