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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever been pulled over by a law enforcement officer in Pennsylvania and needed to test your breath or your reflexes, you ...

If you’ve ever been pulled over by a law enforcement officer in Kentucky and asked to submit to a breath or field sobriety test, whether you’d been drinking or not, you may be wondering if you’re ...

More than 20,000 drunken-driving convictions in New Jersey could be in jeopardy after the state’s highest court ruled Tuesday that breathalyzer tests used to win those judgments were inadmissible.