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Using a breathalyzer alone to effectively detect cannabis impairment could be a pipe dream, according to a recent pilot study spearheaded by the University of Colorado. A valuable tool over the past ...

A new marijuana breathalyzer is now on the market. Biotech company Hound Labs has developed a product that can detect cannabis use. “What we found in extensive human testing for smokers is that 100% ...

Police commonly use breathalyzer tests during traffic stops to determine whether a driver is impaired from drinking alcohol. The device measures how much alcohol is in the air the person breathes out, ...