Tag: thc driving limit

AAA Study: Cannabis Driving Limits Have No Basis in Science

There is no scientific basis for establishing specific limits on the amount of THC an individual can have in their system while driving, a new study from AAA (American Automobile Association) has found. “There is understandably a strong desire by both lawmakers and the public to create legal limits for marijuana impairment in the same …

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Study: Elevated THC Blood Levels Persist for Days in Habitual Cannabis Consumers

By Paul Armentano, NORML VICTORIA, AUSTRALIA — The presence of THC may persist in the blood of habitual cannabis consumers for multiple days at concentrations above 5ng/ml, according clinical data recently published in the journal Forensic Science International. Australian researchers assessed daily concentrations of THC in the blood of 21 subjects over a period of 7 days …

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