This document provides an overview of various classes of psychedelic and hallucinogenic drugs, including their mechanisms of action, sources, effects, and historical uses. It discusses anticholinergic psychedelics like scopolamine found in plants like deadly nightshade. It also covers catecholamine-like drugs like mescaline and MDMA, serotonin-like drugs like LSD, psilocybin, and DMT found in magic mushrooms. The document outlines glutaminergic NMDA receptor antagonists like PCP and ketamine, as well as the opioid kappa receptor agonist salvinorin A. It briefly mentions date rape drugs such as GHB, ketamine, and flunitrazepam.

1. Psychedelics and Hallucinogens Acetylcholine Psychedelics Catecholamine-like Serotonin-like Anesthetics/Club Drugs

16. Religious Rituals