A member asked:

How long does nicotine stay in blood stream after you quit smoking?

A doctor has provided 1 answer

About one week: Our bodies metabolize many impurities that we introduce by various means, eating, drinking, breathing, etc. The time required varies for different substances, but for nicotine, it's about a week.

Answered 8/16/2017

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Can nicotine be tested in your blood after 24 hours of not smoking?

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