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A Gene for Smoking? Saturday, April 05, 2008 - Iddo Genuth Home >> Headlines >> Biology   
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Scientists from an EU-supported consortium have discovered that a mutation in a human gene confers nicotine dependence. They have shown that a particular variant of a nicotine-receptor gene impacts smoking behavior and hence confers a 30% increase in risk of lung cancer and a 20% increase in risk of peripheral artery disease (PAD), a common and debilitating constriction of the arteries to the legs. (source: ec.europa.eu)
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