En español
NIDA

Drugged Driving

Among High School Seniors, Driving After Marijuana Use Surpasses Drunk Driving

Within the 2 weeks prior to responding to a nationwide survey, 28 percent of high school seniors were in a vehicle whose driver had been using marijuana or another illicit drug, or had drunk 5 or more alcoholic drinks.

Device Detects Marijuana in Breath Hours After Smoking

Driving under the influence of marijuana is a dangerous public health concern. NIDA researchers have discovered that breath expelled into a Breathalyzer-style collection device contained measurable amounts of THC for up to 2 hours after participants in a recent clinical trial smoked the drug.

Marijuana: Facts for Teens

Presented in question-and-answer format and targeted to teens, provides facts about marijuana and its potential harmful effects.

Published: April 2001
Revised: May 2015

Marijuana: Facts Parents Need to Know

Brochure, in question-and-answer format, that provides facts about marijuana for parents and offers tips for talking with their children about the drug and its potential harmful effects.

Published: April 2001
Revised: March 2014

Drugged Driving

Drugged Driving: In 2009, 1 in 3 fatally injured drivers tested positive for drugs.
English

Effects of marijuana – with and without alcohol – on driving performance

Using the most sophisticated driving simulator of its kind to mirror real-life situations, new research shows that marijuana use impairs one measure of driving performance.


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