3 ms·
Very small. We're talking 20,000 non-smoker lung cancers in the U.S. per year, of which half are attributable to radon and second-hand smoke.
by zemvpferreira 3y ago
Very small. We're talking 20,000 non-smoker lung cancers in the U.S. per year, of which half are attributable to radon and second-hand smoke.