The Hallucinogens

able acid action activity adrenaline adrenochrome adrenolutin alcoholics altered animals anxiety appeared Arch became become behavior blocked blood body brain cats caused changes chemical color completely compounds concentration conditioned decreased depression derivatives described developed difficult Disease doses drink drug effect et al evidence experience eyes feeling felt gave given glucose hallucinations hallucinogenic Hoffer hospital improved included increased inhibited inhibitor injection intense interest later less levels light marked mean mental mescaline mg/kg minutes months Nervous normal objects observed occurred Osmond oxidase oxidation patients perceptual period person placebo possible prepared present produced psilocybin psychedelic Psychiat psychological quantities rats reaction reduced remained reported response schizophrenic seemed seen serotonin showed similar stimulation studies subjects substances suggested symptoms taken thought tion toxic treated treatment usually visual