How does radon cause lung cancer? - 0 views
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howcancerkills on 13 Oct 14Radon is a gaseous radioactive element. It is an extremely toxic, colorless gas, derived from the radioactive decay of radium, uranium and thorium. It is used in cancer treatment. It has been considered by the Environmental Protection Agency as the second most leading cause of lung cance r after cigarette smoking based on their mathematical risk estimates derived from many published studies.