http://d.yimg.com/a/p/ap/20100408/ca...HhA_UW64VUGA--AP - Scientists may have found a way to tell which smokers are at highest risk of developing lung cancer: measuring a telltale genetic change inside their windpipes.
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http://d.yimg.com/a/p/ap/20100408/ca...HhA_UW64VUGA--AP - Scientists may have found a way to tell which smokers are at highest risk of developing lung cancer: measuring a telltale genetic change inside their windpipes.
Source