Part I: Drug Use in Modern Society 1: Drug Use: An Overview 2: Drug Use as a Social Problem 3: Drug Production and Regulation Part II: How Drugs Work 4: The Nervous System 5: The Actions of Drugs Part III: Uppers and Downers 6: Stimulants 7: Depressants 8: Psychotherapeutic Drugs Part IV: Alcohol 9: Alcohol Part V: Familiar Drugs 10: Tobacco 11: Caffeine 12: Herbals, Dietary Supplements, and Over-the-Counter Drugs Part VI: Restricted Drugs 13: Opioids 14: Hallucinogens 15: Marijuana and Hashish 16: Performance-Enhancing Drugs Part VII: Intervention Strategies 17: Preventing Drug Misuse and Abuse 18: Treating Substance Dependence.