LYCOS RETRIEVER 
Radon: Lung Cancers
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Radon decays quickly, giving off tiny radioactive particles. When inhaled, these radioactive particles can damage the cells that line the lung. Long-term exposure to radon can lead to lung cancer, the only cancer proven to be associated with inhaling radon.
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Radon decays to form tiny radioactive particles, some of which remain suspended in the air. When inhaled into the lungs these particles give a radiation dose which may damage cells in the lung and eventually lead to lung cancer.
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Radon decays rapidly into byproducts. It is these by-products that may become trapped in your lungs, releasing radiation (alpha particles). Alpha radiation directly causes damage to sensitive lung tissue and may eventually lead to lung cancer. Most of the radiation does is not actually from radon itself. It comes from radon's chain of short-lived solid decay products that are inhaled and lodge in the airways of the lungs. These radionuclides decay quickly, producing other radionuclides that continue damaging the lung tissue. Next to smoking, scientists believe that radon is associated with more lung cancer than any other compound. Radon is classified as a "Group A" carcinogen, defined as a substance known to cause lung cancer in humans.
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