Psychoactive Drugs. Drugs that affect the brain, changing mood or behavior. 80-90% of adults in North America use some kind of drug on a daily basis. The study of psychoactive drugs is called psychopharmacology . Depressants. – e.g. Barbituates; benzodiazepines (e.g. Valium); alcohol.
Drugs that affect the brain, changing mood or behavior.
– e.g. LSD; mescaline; psilocybin.
Peyote: source of mescaline
Withdraw person gradually using morphine (legal).
Level of adaptation
Margin of safety