A Portal (of sorts) for Psychoactive Substance Use Disorder Information (and a wee bit more).

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Nicknames: LSD (“acid”), mescaline, peyote, psilocybin, STP, “mushrooms”, “shrooms”, “ecstasy”, MDA, MDMA.

Hallucinogens — The National Institute on Drug Abuse offerings.

Mind Over Matter — Hallucinogens

Mind Over Matter — Hallucinogens is a set of web pages that look at such topics as: “The Brain’s Response to Hallucinogens”, “Where Do Hallucinogens Come From?”, “How Hallucinogens Affect Your Senses”, “How MDMA and MDA Affect Your Brain”, “Actions of PCP in the Brain”, “LSD: The Most Commonly Used Hallucinogen.”


A stimulant and hallucinogen and one of the “Club Drugs”. Ecstasy is chemically similar to both amphetamine and mescaline (a hallucinogen). The following two papers from the National Institute on Drug Abuse (NIDA) provide basic information as well as recent research data.

Hallucinogens from The Well

The Hallucinogens webpage from The Well of Addictions

Phencyclidine from

The Phencyclidine Dependence webpages from

tl;dr: Just make sure you can come back... .