Detection Of Cannabis In Bodily Fluids Not Correlated With Driving Impairment, New Review Shows
This article was originally published by the National Organization for the Reform of Marijuana Laws (NORML) and appears here with permission.
Neither the detection of THC nor its metabolites in blood, breath, urine, or saliva is predictive of behavioral impairment, according to a literature review published in the Journal of AOAC (the Association of Official Analytical Chemists) International.
Researchers affiliated with the University of California at Davis affirmed that there is “no direct relationship between impairment and THC concentrations” in subjects’ bodily fluids – a finding that is consistent with the opinions of numerous traffic safety groups, including the National Highway Traffic Safety Administration and the American Automobile Association.
The investigators further acknowledged, “Current methods that focus on THC and/or metabolite concentrations in blood, saliva, urine, or exhaled breath can lead to false-positive results for recent use due to the persistence of THC well outside …