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 ...

With marijuana advocates doing their part to legalize the leaf across the United States, many lawmakers feel pressured to arm local and state law enforcement agencies with a device that can accurately ...

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 ...

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 ...