Common Genetic Variant Tied to Lung Cancer Risk
May 27th, 2008
AÂ common genetic variant increases the risk of lung cancer, even in nonsmokers, researchers report.The findings — that certain forms of the alpha1-antitrypsin gene double someones risk of developing lung cancer, regardless of whether he or she ever smoked — could help explain why some nonsmokers develop the disease, said study author Dr. Ping Yang, of the Mayo Clinic.