En español
NIDA

Government Shutdown

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at USA.gov.

The Neurobiology of Drug Addiction

Publication Cover

The second in a 5-part series, explores the science behind addiction, describing the brain and reward center, and the action of heroine and cocaine.

Revised: January 2007
Author: National Institute on Drug Abuse

This page was last updated January 2007