Investigators concluded, “[T]here is no clear overall relationship with THC blood or serum levels and driving skills or crash risk.” The post Analysis: THC Per Se Thresholds Are Unreliable Indicators of Psychomotor Impairment appeared first on NORML.

Investigators concluded, “[T]here is no clear overall relationship with THC blood or serum levels and driving skills or crash risk.”

The post Analysis: THC Per Se Thresholds Are Unreliable Indicators of Psychomotor Impairment appeared first on NORML.

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