The startup behind the world's first marijuana breathalyzer just raised a fresh $30 million and offered a glimpse at how the device works

5:00am PDT - August 27th, 2019    the good doctor - Business Insider

Hound Labs, a startup that aims to make the first marijuana breathalyzer, raised a fresh $30 million on Tuesday. The California-based company also published the first study offering a glimpse at how the handheld device works. Today, there's no good way to det…