Psychedelic drug The phrase "psychedelic" refers to a class of psychoactive substances that develop profound alteration of perception, imagined, psychological state, and behavior. These include traditional psychedelics including LSD, mescaline, psilocybin, DMT, ayahuasca, and peyote; dissociatives like ketamine, nitrous oxide, Alcoholic beverages, and barbiturates; and stimulants like... https://englandp783aqo0.wikibyby.com/user