JAMA PsychiatryMarch 1, 2022Thomas D Marcotte, Anya Umlauf, David J Grelotti et al.
Expanding cannabis medicalization and legalization increases the urgency to understand the factors associated with acute driving impairment. To determine, in a large sample of regular cannabis users, the magnitude and time course of driving impairment produced by smoked cannabis of different Δ9-tetrahydrocannabinol (THC) content, the effects of use history, and concordance between perceived...