USA: Testing People for Marijuana Impairment Based on THC Levels is ‘Not Reliable,’ Federally Funded Study Finds
Cannabis Law Report
JUNE 7, 2021
Samples of blood, urine, and oral fluid were collected from study participants before cannabis dosing and then nearly every hour for eight hours after dosing. The researchers reported that the one leg stand, walk and turn, and modified Romberg balance tests were not sensitive to cannabis intoxication for any of the study participants.
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