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Science of Addiction Cover

Drugs, Brains, and Behavior: The Science of Addiction

Published April 2007. Revised July 2014.
Provides scientific information about the disease of drug addiction, including the many harmful consequences of drug abuse and the basic approaches that have been developed to prevent and treat the disease. En Español

Publication Cover

Marijuana (Mind Over Matter)

Published January 1997. Revised August 2014.
Explains how THC, the active ingredient in marijuana, causes changes in the brain that affect memory, emotions, balance, and judgment. En Español

Opioids (Mind Over Matter)

Published January 1997. Revised September 2014.
Describes how opioids, such as Vicodin, morphine, heroin, and codeine, affect the brain, the nervous system, and the limbic system, which controls emotions. En Español

Prescription and Over-the-Counter Medications (DrugFacts)

Published June 2009. Revised September 2014.
Provides an overview of commonly abused over the counter (OTC) medications and  prescription drugs—opioids, central nervous system depressants, and stimulants—and explains how they affect the brain, treatments available, and reported use. En Español

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