Published On: Wed, Aug 10th, 2016

Speedy Cannabis Spit Test Could Spot People Driving While High

The Scientist reports: An erratic driver is pulled over by the police. The officer smells a hint of marijuana, so dabs a cotton swab in the driver’s mouth to collect some saliva. Just 3 minutes later, still by the side of the road, the result comes back: every millilitre of spit contains 5 nanograms of […]

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