One country's sacrament is another's illicit drug, as officials in South America and the United States are well aware. For centuries, a hallucinogenic tea made

An exploration of how LSD influences imagination and the creative process. • Based on the results of one of the longest clinical studies of LSD that took plac

Researchers, program administrators, and practicing clinicians explain the most recent developments in using psychedelic substances to treat psychological, phys

This book explains the role that peyote—a hallucinogenic cactus—plays in the religious and spiritual fulfillment of certain peoples in the United States and