See also:

• Science: Social Sciences: Psychology: Psychology and Religion: Religious Experience: Psychoactive Drugs  (1)
• Society: Religion and Spirituality: Esoteric and Occult: Personalities: Leary, Timothy  (13)

Erowid Psychoactive Vaults -  .

- Information on entheogens, psychedelics, and hallucinogens including traditional, spiritual, and responsible use, chemistry, effects, experiences, images, research, legislation, media coverage, bibliographies and links.

The Albert Hoffman Foundation - - Homepage of the Albert Hoffman Foundation. Albert Hoffman is the inventor of LSD.

Ask Dr. Shulgin - - Information about psychedelics, entheogens, empathogens (MDMA, Ecstasy), from a pharmacologist and chemist.

Cluster Busters - - Information regarding the use of hallucinogenic substances for the treatment of cluster headaches and other vascular headaches.

HPPD: Hallucinogen Persisting Perception Disorder - - Information, treatment, and forums for sufferers of HPPD (Hallucinogen Persisting Perception Disorder), also known as flashbacks, which happens to some users of psychedelic drugs.

HPPDonline.com - - Information and message boards for people with Hallucinogen Persisting Perception Disorder (flashbacks).

Original Kleptonian Neo-American Church - - Includes text of "A Narrative of the Early Years of American Psychedelianism" and offers the book for sale.

Psychedelicjones.com - - One man's experiences with, and thoughts about, psychedelic substances.

Serendipity: Psychedelics - - Articles on psychedelic mushrooms and DMT (with field notes on DMT experiences); LSD and Ketamine trip reports; preservation of dried psilocybin mushrooms; links to other documents concerning psychedelics.

• Status of Ololiuhqui in Mexico

  Trip Magazine - - A mainstream publication for about psychedelics.

  Tryptamind - - Resource on psychoactive, psychedelic and hallucinogenic plants and their active chemical constituents.