Date Published: 01/24/2007 [Source]
Radon gas is the second leading cause of lung cancer in the United States. But while most Americans know tobacco smoke is the primary trigger for lung cancer, very few are aware of the risks posed by radon -- or that dangerous levels of the gas can be found in many homes.
January is National Radon Action Month, and the EPA is urging people to get their homes tested. Only one in five homeowners has actually tested for the gas, according to the agency.