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Over 40% of Deceased Drivers in Vehicle Crashes Test Positive for THC: Study

5 hours ago
https://www.facs.org/media-center/press-releases/2025/over-40-of-deceased-drivers-in-motor-vehicle-crashes-test-positive-for-thc-study-shows/
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  • #driving safety
  • #public health
  • #THC
  • 41.9% of deceased drivers tested positive for active THC in their blood, with an average level of 30.7 ng/mL.
  • The high rate of THC positivity remained consistent over six years, unaffected by recreational cannabis legalization.
  • Messaging around the dangers of smoking cannabis and driving needs to be stronger, according to the study authors.
  • The study analyzed coroner records from Montgomery County, Ohio, from 2019 to 2024.
  • Blood THC levels were drawn within hours of death, providing an accurate snapshot of impairment at the time of the crash.
  • Most states' legal THC limits for driving range from 2 to 5 ng/mL, far below the study's average of 30.7 ng/mL.
  • Lead author Dr. Akpofure P. Ekeh emphasized the need for public health messaging on the dangers of cannabis use while driving.
  • The research was presented at the American College of Surgeons (ACS) Clinical Congress 2025.
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