Following legalization, fewer young people engaged in DUI alcohol. Among young people who used cannabis, fewer acknowledged driving under its influence.
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“This study suggests that medical cannabis, used as prescribed, has a negligible impact on simulated driving performance.”
Scientists concluded, “The lack of correlation between driving and blood THC fits within emerging evidence that there is not a linear relationship between the two.”
NORML’s Deputy Director Paul Armentano submitted written testimony to the Committee opposing both provisions.
Despite the lack of impairment, subjects still tested positive for trace levels of THC — potentially putting them at risk of violating certain traffic safety laws.
“In the largest trial to date involving experienced users smoking cannabis, there was no correlation between THC (and related metabolites/cannabinoids) in blood, OF [oral fluid], or breath and driving performance. … The complete lack of a relationship between the concentration of the centrally active component of cannabis in blood, OF, and breath is strong evidence against the use of per se laws for cannabis.”