Are blood and oral fluid Δ9-tetrahydrocannabinol (THC) and metabolite concentrations related to impairment? A meta-regression analysis

Blood and oral fluid Δ9-tetrahydrocannabinol (THC) concentrations are often used to identify cannabis-impaired drivers. We used meta-analytic techniques to characterise the relationships between biomarkers of cannabis use, subjective intoxication, and impairment of driving and driving-related cognitive skills.

A national survey of US emergency medicine physicians on their knowledge regarding state and federal cannabis laws.

Author: Kevin M. Takakuwa, Frances S. Shofer, and Raquel M. Schears. Published in Mary Ann Liebert, Inc, Publishers February 2020 Abstract Introduction Medical cannabis laws have been passed in 33 U…