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October 13, 2008 3:11:05 AM CDT

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Genetics May Play Role in Smokers' Cancer Risk

Posted Apr 2, 08 8:50 PM CDT in Science & Health 

(Newser) – Three new studies have found a genetic variation that may increase smokers' chances of getting lung cancer. A smoker who inherits the variations from both parents has a 70% to 80% greater risk of developing the cancer. The findings could shed light on why some  smokers get cancer and some don't, and why some are more prone to getting hooked. They also could lead to better anti-smoking treatments, the Telegraph reports.

"These results are particularly exciting as they provide the first identification of a major genetic factor that contributes to lung cancer risk," a scientist from one of the three teams told the Guardian. "These findings will help us understand why lung cancer develops, and may indicate new strategies for treating the disease."

Sources Daily Telegraph (UK), Guardian (UK)

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smoking  • genetics  • cancer research  • cigarettes  • lung cancer  • genetic mutation  • human genome


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