Psychological and cognitive effects of long-term peyote use among Native Americans.
Biological Psychiatry October 15, 2005 John H. Halpern, Andrea R Sherwood, James I. Hudson et al. 186 citations
Hallucinogens are widely used, both by drug abusers and by peoples of traditional cultures who ingest these substances for religious or healing purposes. However, the long-term residual psychological and cognitive effects of hallucinogens remain poorly understood. We recruited three groups of Navajo Native Americans, age 18-45: 1) 61 Native American Church members who regularly ingested peyote,...