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Smoking Alters Youthful DNA to Increase Lung Cancer Later in Life

person breaking a cigeratte in half with hands

Early smoking may alter a young person's DNA, possibly increasing the risk of lung cancer years later, even after the smoker quits, researchers found.

Tags: DNA, cancer, lung, smoking


Wiencke JK, Thurston SW, Kelsey KT, Varkonyi A, Wain JC, Mark EJ, Christiani DC. 1999. Early age at smoking initiation and tobacco carcinogen DNA damage in the lung. J Natl Cancer Inst 91(7):614-619. [Abstract] [Full Text]

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