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Scientists Unveil Weed Breathalyzer, Launching Debate Over Next Steps

University of Pittsburgh researchers Ervin Sejdic and Alexander Star hold up their prototype Breathalyzer-style device for detecting THC — the main psychoactive ingredient in marijuana — in a person's breath. (Courtesy of the University of Pittsburgh)
University of Pittsburgh researchers Ervin Sejdic and Alexander Star hold up their prototype Breathalyzer-style device for detecting THC — the main psychoactive ingredient in marijuana — in a person's breath. (Courtesy of the University of Pittsburgh)

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