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% ...

This holiday season, police departments across the country will repeat their laudable annual efforts to deter drunken driving. Yet more than a decade after states began legalizing recreational ...

A small-scale, preliminary study by researchers at the University of Colorado-Boulder suggests developing a breathalyzer test for cannabis users will be a challenge, if possible at all. Published ...