Cannabis Legalization and Detection of Tetrahydrocannabinol in Injured Drivers.
Jeffrey R BrubacherHerbert ChanShannon ErdelyiJohn A StaplesMark AsbridgeRobert E MannPublished in: The New England journal of medicine (2022)
After cannabis legalization, the prevalence of moderately injured drivers with a THC level of at least 2 ng per milliliter in participating British Columbia trauma centers more than doubled. The increase was largest among older drivers and male drivers. (Funded by the Canadian Institutes of Health Research.).
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