- Tax Laws and Alcohol
- Tea
- Temperance Movement
- Terrorism and Drugs
- Terry & Pellens Study
- Tetrahydrocannabinol (THC)
- Theobromine
- Tobacco: Dependence
- Tobacco: History of
- Tobacco: Industry
- Tobacco: Medical Complications
- Tobacco: Smokeless
- Tobacco: Smoking Cessation and Weight Gain
- Tolerance and Physical Dependence
- Toughlove
- Transit Countries for Illicit Drugs
- Treatment
- Treatment Alternatives to Street Crime (TASC)
- Treatment Funding and Service Delivery
- Treatment in The Federal Prison System
- Treatment Outcome Prospective Study (TOPS)
- Treatment Programs, Centers, and Organizations: an Historical Perspective
- Treatment Types
- Treatment, History of, in The United States
- Triplicate Prescription
