Tuesday, May 12, 2009

Skin color clue to nicotine dependence

http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Shisha_smoker.jpg/300px-Shisha_smoker.jpg

Higher concentrations of melanin -- the color pigment in skin and hair -- may be placing darker pigmented smokers at increased susceptibility to nicotine dependence and tobacco-related carcinogens than lighter skinned smokers, according to scientists.

"We have found that the concentration of melanin is directly related to the number of cigarettes smoked daily, levels of nicotine dependence, and nicotine exposure among African Americans," said Gary King, professor of biobehavioral health, Penn State. Read more...



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