A member asked:

How come some smokers don't get lung cancer?

A doctor has provided 1 answer
Dr. Le Wang answered

Specializes in Internal Medicine

Not fully know: Not fully know, possibly genetics. Importantly, smoking is the primary risk factor for causing 90% of lung cancer. Though it is clear that some people who smoke their whole lives never develop lung cancer, quitting smoking remains the most important aspect of lung cancer prevention and should be strongly encouraged.

Answered 4/14/2014

4.2k views

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