Field breathalyzer tests are one of the ways that police in Arizona assess whether you have been drinking before driving, and to get an estimate of what your blood alcohol concentration (BAC) is.

The neon glow from the bar is bright, but police lights are brighter. If you get pulled over for suspected drinking and driving, you may have to take a breathalyzer test. However, whether or not you ...

WASHINGTON -- The US Food and Drug Administration has granted emergency use authorization to the first Covid-19 test that spots chemical compounds associated with the coronavirus in breath, the agency ...

Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in The New York Times, Newsweek, NBC News, Architectural Digest and elsewhere. He is a crossword junkie and is ...

PHOENIX – 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 ...