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A member asked:

If you're exposed to secondhand marijuana smoke how long does it stay in your system?

A doctor has provided 1 answer

Depends: This would depend on how frequent/how long and how close the exposure was. If it was transient, like a few minutes in the same room, it might not be detected at all.(but might).If you spent enough time around a chronic smoker it could hang around in your system for a month.

Answered 1/7/2017

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