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Marijuana

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A recent AAA study found an increase in deadly crashes involving drivers who had smoked pot, but another study by the same researchers warns that there is currently no reliable test to determine whether drivers have been impaired by the drug

A recent AAA study found an increase in deadly crashes involving drivers who had smoked pot, but another study by the same researchers warns that there is currently no reliable test to determine whether drivers have been impaired by the drug. Kris Van Cleave reports.

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