Q: How can a police officer know if a driver is impaired by drugs? With alcohol there are roadside tests like walking a line, and a breath test. Are there similar tests for drug impairment? Alcohol ...

San Diego police have been using the handheld SoToxa device during traffic stops since October, testing a driver's saliva to ...

Cannabix has developed an autonomous alcohol breathalyzer screening device for employers and a range of industries and safety ...

ROCHESTER, N.Y. — Can breathalyzers detect cannabis impairment like they can detect alcohol impairment? This summer, Monroe County is boosting its enforcement of ignition interlock devices, ...

Changes to Maryland’s marijuana laws continue to raise questions — and challenges — for police trying to enforce laws against driving under the influence. During a meeting with members of the ...

As more states legalize marijuana for recreational use, it’s become more common for people to have the drug in their system, leaving public health officials grappling with a thorny question: What ...

ALBANY — New York’s legalization of cannabis for recreational use this spring moved state rules regulating the drug a step closer to those for alcohol, putting pressure on testing companies and ...