Younger children had higher levels of nicotine ..

December 3, 2009 - This study published in the December issue of Cancer Epidemiology, Biomarkers and Preventions found that younger children had higher levels of nicotine in their bodies than older children when exposed to second-hand smoke in the home.

The study, by the Institute for Global Tobacco Control at the Johns Hopkins Bloomberg School of Public Health, looked at hair nicotine concentration in the of 1,284 children from 31 countries in Latin America, Asia, Eastern Europe and the Middle East.

PAPER: Determinants of Hair Nicotine Concentrations in Nonsmoking Women and Children: A Multicountry Study of Secondhand Smoke Exposure in Homes, Sungroul Kim,
Heather Wipfli, Ana Navas-Acien, Francesca Dominici, Erika Avila-Tang1, Georgiana Onicescu, Patrick Breysse, Jonathan M. Samet and on behalf of the FAMRI Homes Study Investigators, Cancer Epidemiol Biomarkers Prev 2009;18(12):3407–14), "http://cebp.aacrjournals.org/content/18/12/3407.abstract?sid=79de7abd-bdf1-4c82-8768-85ebe8cf8747">ABSTRACT..

Reference: Morning cigarette key indicator of intense nicotine dependence, Calgary Herald -
Canwest News Service, 12/2/2009.