What is Radon? Radon is second only to Smoking as a Cause of Lung Cancer.
Radon is a colorless, odorless gas that is second only to smoking as a cause of lung cancer. Radon: Where does it come from? The soil in your yard holds small amounts of decaying uranium. As it decays, uranium emits radon. Typically, radon floats away harmlessly in the outdoor air. But sometimes it creeps into buildings
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