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Study Finds Weak Correlation Between THC Blood Levels and Impairment

A new study published in Forensic Science International reveals that while alcohol and benzodiazepines have a clear and significant impact on driver impairment as their blood concentrations rise, the effects of THC are much less consistent and harder to predict, calling into question per se THC driving limits. The research, which examined over 15,000 cases … Continue reading

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