We explore the chemistry behind how a little machine can tell how much alcohol you've had. We explore the chemistry behind how a little machine can tell how much alcohol you've had. Reactions is ...

A device that can detect the chemical in cannabis responsible for its psychoactive effects could work as an early prototype for a breathalyzer-type tool to test for marijuana, according to a recent ...

It’s illegal to drive under the influence of marijuana, but that influence is hard to prove. If you are and you’re pulled over and asked to pass a breathalyzer test, nothing will be detected. But in ...

With each breath, humans exhale more than 1,000 distinct molecules, producing a unique chemical fingerprint or “breathprint” rich with clues about what’s going on inside the body. For decades, ...

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A Breathalyzer designed to determine whether someone is currently under the influence of cannabis is being used by employers in Michigan and is now offered at several medical centers around the state.