"In an era which finally viewed the human dhatura and hashish were prepared as a treatise that documented both physical and mental benefits, and ultimately led to modern psychopharmacology and the use of numerous psychotomimetic drug treatments . " ( " Hemp for Health " Chris Conrad p 20)
2.
Two weeks into his first psychiatric residency at St . George s Hospital, London ( 20 ), noting the close chemical relation between the psychotomimetic drug mescaline and the neurotransmitter catecholamines, he suggested that schizophrenia might be caused by some abnormality in catecholamine metabolism that produced a mescaline-like substance in the brain.