Byline: PAUL RECER Associated Press
WASHINGTON -- A major study has failed to connect indoor radon exposure with lung cancer, raising new uncertainty about public health warnings that the colorless, odorless gas is responsible for as much as 10 percent of America's lung cancer.
Americans have spent about $400 million testing for radon and renovating homes with high levels. But experts said Tuesday that several studies now suggest the minimum residential level of the gas that poses a significant cancer risk is not known.
The new study, conducted in Finland, analyzed residential exposure to radon for 1,055 lung cancer patients and compared that with …
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