A member asked:

Is lung cancer infectious, dietary, genetic or environmental?

A doctor has provided 1 answer

Lung cancer: Cancer is a genetic disease, resulting from changes in the individual cell genetics. Things that cause these basic changes include some known and some unknown factors. We know that smoking tobacco is the biggest risk factor, and that radiation exposure, asbestos exposure and other environmental agents contribute. Infectious agents can cause cancers elsewhere but have only a minimal role in lung ca

Answered 4/12/2015

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