Marijuana, National Institute on Drug Abuse (NIDA), June 2018
Table of Contents
Letter From the Director
What is marijuana?
What is the scope of marijuana use in the United States?
What are marijuana effects?
How does marijuana produce its effects?
Does marijuana use affect driving?
Is marijuana addictive?
What are marijuana’s long-term effects on the brain?
Is marijuana a gateway drug?
How does marijuana use affect school, work, and social life?
Is there a link between marijuana use and psychiatric disorders?
What are marijuana’s effects on lung health?
What are marijuana’s effects on other aspects of physical health?
Is marijuana safe and effective as medicine?
What are the effects of secondhand exposure to marijuana smoke?
Can marijuana use during and after pregnancy harm the baby?
Available Treatments for Marijuana Use Disorders
Where can I get further information about marijuana?