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  1. Radon - Health & Human Services

    Radon is a natural radioactive gas that can cause cancer. You can’t see, smell or taste it, but radon may be in your home. According to the Environmental Protection Agency (EPA), radon …

  2. Radon | US EPA

    5 days ago · Radon is a naturally occurring radioactive gas that can cause lung cancer. You can’t see or smell radon. Testing is the only way to know your level of exposure. Radon can have a …

  3. Radon and Your Health | Radon | CDC

    Dec 11, 2025 · Radon is an odorless, invisible, radioactive gas naturally released from rocks, soil, and water. Radon can get into homes and buildings through soil, small cracks or holes in your …

  4. Radon - Wikipedia

    Radon is a contaminant that affects indoor air quality worldwide. Because radon is denser than air it accumulates in basements and crawlspaces under dwellings.

  5. Radon Gas: Causes, Exposure, Symptoms & Complications

    Radon is a radioactive substance, which means it emits radiation (a type of energy). Radiation can damage your cells, leading to cancer. Experts estimate that radon exposure is the second …

  6. Home - Iowa Radon

    Radon is an odorless, colorless and tasteless gas that is harmful to people’s health. Radon comes naturally from the ground, and it can enter and become trapped inside any building without …

  7. Radon | Definition, Properties, Effects, & Facts | Britannica

    Dec 11, 2025 · Radon, chemical element, a heavy radioactive gas of Group 18 (noble gases) of the periodic table, generated by the radioactive decay of radium. It is a colorless gas, 7.5 times …

  8. Invisible Danger: Lung Association Urges Home Testing for Cancer ...

    Jan 5, 2026 · January is National Radon Action Month, and the American Lung Association is raising awareness of the potential health risks of radon and the importance of home testing. …

  9. Home one - Radon Solutions

    Radon Solutions is dedicated to educating you about the potential dangers of radon. Exposure to radon in the home is responsible for an estimated 20,000 lung cancer deaths each year.

  10. Radon | Radon | CDC

    Information about how radon gets into your home, how it affects you, and how to reduce it.