A new U.K. study reveals that lung cancer can remain inactive for almost 20 years before suddenly appearing as an aggressive form of the disease.
Lung cancer is known as the leading type of deadly cancer among U.S. men and women, and the second most common cancer diagnosed in the U.S. Cigarette smoking is listed as the leading cause of lung cancer, which can also be caused by using other types of tobacco. The American Cancer Society estimates...
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