What Is a Drug?

A drug is a substance which by its chemical nature affects the structure and function of the living organism. This definition includes prescription drugs, over-the-counter drugs, illicit drugs, chemicals and food.

Alcohol, tobacco, cannabis, coffee, heroin, cocaine, solvents, anti-anxiety medications, cough syrup, LSD, and tranquilizers are all examples of drugs.

Why Do People Use Drugs?

• to treat a medical problem
• to lower inhibitions
• to relax
• to fit in
• to experiment
• to feel good

Source: Narcotic Educational Foundation of America

Relevant Links

Connecticut Drug Information - United States Drug Enforcement Administration
Drug Descriptions - United States Drug Enforcement Administration
Drug Facts - Office of National Drug Control Policy
Drugs and Chemicals of Concern - United States Drug Enforcement Administration
Drugs of Abuse - National Clearinghouse for Alcohol and Drug Information
Information on Common Drugs of Abuse - National Institute on Drug Abuse
National Drug Intelligence Center - Department of Justice
Substance Abuse Topics - Medline Plus