En español
NIDA

Menu

Marijuana

Drugged Driving (DrugFacts)

Published December 2010.
Provides basic facts about drugged driving, including statistics, trends, and teen prevalence, and explains why drugged driving is hazardous, particularly as it relates to marijuana. En Español

3D Illustration of the Human Brain

The Brain & the Actions of Cocaine, Opiates, and Marijuana (Teaching Packets)

Revised January 2007.
The first in a 5-part series, offers an understanding of the brain, how the reward center works, and what happens in the brain when a person uses cocaine, opiates (heroine), or marijuana.

Publication Cover

Marijuana (Mind Over Matter)

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

Pages

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

Ordering Publications

Call 1-877-643-2644 or:

NIDA Drug Pubs