Research by the Lambert Initiative has found THC concentrations in blood and saliva are poor indicators of cannabis-induced impairment, raising questions about current drug-testing methods.

The findings contrast with the much stronger relationship between blood alcohol concentrations and driving impairment, and have implications for the application of drug-driving laws globally, according to the researchers.

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Hannah Adler

Hannah is a communications professional and early-career researcher in the disciplines of health communication and health sociology. She is a PhD student at Griffith University currently writing a...

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