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A member asked:
Lab test in a month. to go along with my general physical.i smoke socially about one cigarette a day. how long until for cotinine to leave my body?
A doctor has provided 1 answer
Varies: Nicotine an ingredient in cigarettes can stay in your system for upto 72 hours. The byproducts of nicotine can stay in your system for upto a week. However, nicotine can also be found in your hair for upto a year.
Answered 10/4/2016
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