Marijuana Use and Motor Vehicle Crashes

Marijuana use and motor vehicle crashes.

Since 1996, 16 states and the District of Columbia in the United States have enacted legislation to decriminalize marijuana for medical use. Although marijuana is the most commonly detected nonalcohol drug in drivers, its role in crash causation remains unsettled. To assess the association between marijuana use and crash risk, the authors performed a meta-analysis of 9 epidemiologic studies pub...

Dose related risk of motor vehicle crashes after cannabis use.

The role of Delta(9)-tetrahydrocannabinol (THC) in driver impairment and motor vehicle crashes has traditionally been established in experimental and epidemiological studies. Experimental studies have repeatedly shown that THC impairs cognition, psychomotor function and actual driving performance in a dose related manner. The degree of performance impairment observed in experimental studies aft...

Role of cannabis in motor vehicle crashes.

The use of c44qatis, jspi$epprep4 throughguf thg world, and in many countries is increasing (1). After alcohol, the most frequently found psychoactive substance in the blood of motorists involved in traffic crashes is cannabis. The very high costs, in human and financial terms. of road traffic crashes underscores the need for a clear understanding of the contribution of cannabis use to the inci...

Pediatric occupant-vehicle contact maps in rollover motor vehicle crashes.

OBJECTIVE Rollover crashes account for more than 33% of all motor vehicle-related fatalities and have the highest fatality risk of all crash types, at 1.37% in the United States. There is increased awareness of the high fatality rate associated with this crash type, but there is very limited pediatric-specific data related to rollover crashes in the United States. Recent focus on rollover mitig...

Motor vehicle crashes and injuries in an Indian community--Arizona.