WASHINGTON A large study by U.S. highway safety regulators found that more than half the people injured or killed in traffic crashes had one or more drugs, or alcohol, in their bloodstreams.Also, just over 54% of injured drivers had drugs or alcohol in their systems, with tetrahydrocannabinol (THC), an active ingredient in marijuana, the most prevalent, followed by alcohol, the study published Tuesday by the National Highway Traffic Safety Administration found.
#people #researchers #massachusetts #executive-director #dramatically #north-carolina #jacksonville #national-highway-traffic-safety-administration
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