ID#: 1479
Description: Caption:
This graph entitled, Serum cotinine levels among persons aged = 4 years – United States, third National Health and Nutrition Examination Survey, 1988-1991, and compares the percentages of those with lower cotinine levels, between = 0.1ng/mL and 10ng/mL, considered to be nonsmokers, to smokers, whose cotinine levels ranged between 10-1000ng/mL. Note how cotinine, a nicotine metabolite was in the blood system of so many nonsmokers.
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Content Providers(s): CDC/ Dr. Demetri Vacalis
Creation Date: 1999
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.