Introduction to drugs and society -- Explaining drug use and abuse -- Drug use, regulation, and the law -- Homeostatic systems and drugs -- How and why drugs work -- CNS depressants: sedative-hypnotics -- Alcohol: pharmacological effects -- Alcohol: behavioral effects -- Narcotics (opioids) -- Stimulants -- Tobacco -- Hallucinogens (psychedelics) -- Marijuana -- Inhalants -- Over-the-counter (OTC), prescription, and herbal drugs -- Drug use in subcultures of special populations -- Drug abuse prevention -- Treating drug dependence.