- Safer Use of Drugs
- Schizophrenia
- Scopolamine and Atropine
- Secobarbital
- Secular Organizations for Sobriety (SOS)
- Sedative
- Sedative-Hypnotic
- Sedatives: Adverse Consequences of Chronic Use
- Seizures of Drugs
- Sensation and Perception and Effects of Drugs
- Serotonin
- Serotonin-Uptake Inhibitors in Treatment of Substance Abuse
- Shanghai Opium Conference
- Shock Incarceration and Boot-Camp Prisons
- Single Convention on Narcotic Drugs
- Slang and Jargon
- Sleep, Dreaming, and Drugs
- Sleeping Pills
- Sobriety
- Social Costs of Alcohol and Drug Abuse
- Source Countries for Illicit Drugs
- Still
- Street Value
- Stress
- Structured Clinical Interview for DSM-IV (SCID)
- Students Against Destructive Decisions (SADD)
- Substance Abuse and Aids
- Suicide and Substance Abuse
- Sweden, Drug Use in
- Synapse, Brain
