USA: Testing People for Marijuana Impairment Based on THC Levels is ‘Not Reliable,’ Federally Funded Study Finds
Cannabis Law Report
JUNE 7, 2021
The amount of THC in a person’s system after consuming marijuana is not an accurate predictor of impairment, a federally funded study has determined. The research, backed by a grant from the National Institute of Justice (NIJ), involved 20 people who either ate or vaporized cannabis with varying levels of THC. April 5, 2021.
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