A member asked:

I smoked one cigarette two weeks ago and hadn't smoked for one year prior. i just failed a saliva test. could this have been from second hand or me?

A doctor has provided 1 answer
Dr. Thomas Wright answered

Specializes in Phlebology

Probably you: The nicotine can be in your system for weeks to months.

Answered 5/30/2013

5.1k views

Thank

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