As more states legalize recreational marijuana, they’re also looking to police people who drive while stoned. Research to create a breathalyzer for marijuana is advancing—but evidence shows that ...

Scientists at Phoenix-based company ElectraTect are working to create a marijuana breathalyzer to detect recent consumption of THC — the major psychoactive component in marijuana. As marijuana ...

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 ...