En español
NIDA

Menu

Addiction Science: From Molecules to Managed Care

Addiction is a developmental disease that usually begins in adolescence.

Addiction is a Developmental Disease: It starts early

For example, 67 percent of those who try marijuana for the first time are between the ages of 12 and 17. Prevention efforts are therefore of primary importance—to stop drug abuse before it ever starts.

This page was last updated July 2008

Attention

Due to the lapse in government funding, the information on this web site may not be up to date, transactions submitted via the web site may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. Updates regarding government operating status and resumption of normal operations can be found at

Looking for Treatment?

Use the SAMHSA Treatment Locator or 1-800-662-HELP.

Helpline open during government shutdown

Featured Publication

Featured Publication

Drugs, Brains, and Behavior - The Science of Addiction

As a result of scientific research, we know that addiction is a disease that affects both brain and behavior.

Ordering Publications

Call 1-877-643-2644 or:

NIDA Drug Pubs