About 15 per cent of lung cancers occur in lifetime never smokers, and besides exposures to second-hand smoke, other risk factors for these cancers are yet to be determined.
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About 15 per cent of lung cancers occur in lifetime never smokers, and besides exposures to second-hand smoke, other risk factors for these cancers are yet to be determined.
Copyright © 2024 Electric Goat Media. All Rights Reserved.