Scientists Discover Gene Link Between Nicotine, Smoking, Lung Cancer
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06 April, 2008 03:48 GMT
In three separate studies, researchers have identified two hereditary genes that predispose former and current smokers to higher risk of lung cancer, a finding that might help in making earlier diagnoses, when treatments are most effective. The genes also make it more likely for people to become addicted to nicotine -- a "double-whammy," according to the author of one of the studies.
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