ecstasy, LSD, and ketamine
"Hallucinogens are drugs that have profound impacts on the users perceptions of reality. Throughout history, some cultures have embraced hallucinogens as part of a path to spiritual enlightenment. Unfortunately, hallucinogens that are available on the streets can also have terrifying side effects. This book explores the history, effects, and risks of a wide variety of hallucinogenic drugs"--Back cover.
