Several tests can detect cannabis, but saliva is one of the most reliable, efficient, and noninvasive analysis techniques. A study published in Analytical Chemistry featured the design of a new ...
CINCINNATI (WKRC) - As Ohio moves closer to the first legal sale of recreational marijuana, there are still questions over how police can tell if someone’s driving under the influence. State lawmakers ...
San Diego police have been using the handheld SoToxa device during traffic stops since October, testing a driver's saliva to ...
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