Radon—an odorless, tasteless and colorless gas found in homes and buildings at high levels throughout the United States—is the second leading cause of lung cancer, responsible for about 21,000 deaths ...

Radon's health dangers come from its cumulative effect over years. We've since installed a radon mitigation system and now encourage ... test for radon and what to do if you find it.

Radon is a type of gas that you can't see, smell, or taste. It forms when certain radioactive materials, like uranium ... they're installing radon mitigation systems, or building new schools ...