Cannabis Legalization and Detection of Tetrahydrocannabinol in Injured Drivers Posted on April 10, 2023April 10, 2023 By Becky Carter Jeffrey R. Brubacher, M.D., Herbert Chan, Ph.D., Shannon Erdelyi, M.Sc., John A. Staples, M.D., Mark Asbridge, Ph.D., and Robert E. Mann, Ph.D. N Engl J Med; 386; 2022 Access article Cannabis and Cannabinoids, Chemistry, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Seized Drugs/Controlled Substances, Toxicology