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cotinine

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cotinine (kō´tinēn),
n a substance that remains in body fluids after nicotine has been used. Presence of this chemical in body fluids is considered proof of recent nicotine use. It is currently being studied for its possible contribution to a range of oral diseases.
cotinine
A urinary metabolite of nicotine used to monitor exposure to environmental tobacco smoke–ETS. See Environmental tobacco smoke.
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The study by Georgia University in the US said cotinine is a marker of exposure to tobacco but is not a carcinogen.
Outdoors cig smoke 'a danger' HEALTH by The Mirror (London, England)
They assessed the levels of a nicotine by-product known as cotinine in nonsmokers exposed to second-hand smoke outdoors and found levels up to 162 percent greater than in the control group.
Outdoor second-hand smoke a new health hazard by Asian News International
When the researchers also included the levels of cotinine in the urine, they found those with the highest levels of both NNAL and cotinine were 8.
Urine test may detect smokers' lung-cancer risk by Medical Laboratory Observer
 
 
 
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