Sacred Mushroom of Visions: Teonanacatl describes the experiences of psychoactive mushroom users and how the use of the psilocybe mushroom spread from Mexico to North America, Asia, and Europe. Firsthand accounts of the controversial Harvard Psilocybin Project, the use of psilocybin in psychotherapy, and current studies on the treatment of obsessive compulsive disorder (OCD) are provided.
