CDC's TIPS: Tobacco Information and Prevention Source: Maintained by the CDC's Office on Smoking and Health. Covers tobacco-related issues, statistics, news, research, data, reports, quitting tips, educational materials, publications, . Also sections dedicated to youth

Effectiveness of Interventions to Help People Stop Smoking: Evaluates different methods and gives recommendations

NIAAA: National Institute on Alcohol Abuse and Alcoholism. Supports and conducts biomedical and behavioral research on the causes, consequences, treatment, and prevention of alcoholism and alcohol-related problems. Part of (NIH) National Institutes of Health

Principles of Drug Addiction Treatment - A Research-Based Guide: A primer from the National Institute of Drug Abuse on treatment approaches to drug addiction

The National Inhalant Prevention Coalition: Explains about inhalants, the prevention campaign, frequently asked questions, and contact information