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Home » Tobacco and Health » Tobacco Secondhand Smoke » Secondhand Measurement » Exposure to Secondhand Smoke Widespread dmoz Exposure to Secondhand Smoke Widespread dmoz in Tobacco Shopping Supplies Directory |
Nearly 9 out of 10 nonsmoking Americans are exposed to environmental tobacco smoke ETS, or secondhand smoke, as measured by the levels of cotinine in their blood, according to a study conducted by HHS Centers for Disease Control and Prevention CDC. The data, reported by CDC in this weeks edition of the Journal of the American Medical Association, shows measurable levels of cotinine in the blood of 88 percent of all nontobacco users. The presence of cotinine, a chemical the body metabolizes from nicotine, is documentation that a person has been exposed to tobacco smoke. Serum cotinine levels can be used to estimate nicotine exposure over the last two to three days.
Website: http://www.cdc.gov/