Article AbstractSir: Marijuana use has been associated with mental illness for more than a century and a half. This relationship was first noted by J. J. Moreau de Tours in his 1845 classic work, Hashish and Mental Illness. Observations by Indian psychiatrists kept the topic alive during the first half of this century.
THE PUBLIC has become aware of the increasing use of the major psychedelic substances (lysergic acid diethylamide [LSD], peyote, psilocybin, morning glory seeds) by certain individuals outside the contexts of supervised therapy and research.1,2Several excellent clinical studies have firmly documented the hazards of this Practice.4,5At a time when the scientific community has been gathering...