Ask Dr. Lynn – Why do employers need a marijuana breathalyzer? March 21, 2021 admin How Marijuana Works 0 <noscript><iframe width="580" height="385" src="https://www.youtube.com/embed/TZ2Y0g8AdNc" frameborder="0" allowfullscreen></noscript> Now that marijuana use is legal in many states, employers need a way to distinguish very recent use from past use.
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