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Public health authorities tell us that radon is the second leading cause of lung cancer in the US, and the highest among non-smokers. But scientists have only been aware of radon as a health hazard since the early 1980s. So, just how big a health risk is radon? We take a look at the geologic conditions that account for radon’s presence in Oregon as well as the current health science, testing and mitigation thinking on the subject.


Producer: Jule Gilfillan
Videographer: Michael Bendixen
Videographer: Todd Sonflieth
Videographer: Tom Shrider
Audio: Randy Layton