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  1. 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.

  2. Radon and Your Health | Radon | CDC

    Feb 16, 2024 · Radon is an odorless and invisible radioactive gas naturally released from rocks, soil, and water. Radon can get trapped inside homes and buildings, and build up in the air. Over time, …

  3. Radon | US EPA

    Mar 18, 2026 · 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 big impact …

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

    Nov 7, 2024 · 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 …

  5. Radon Gas Exposure & Poisoning: Symptoms, Health Effects ... - WebMD

    Aug 7, 2024 · You can't see, feel, taste, or smell it, but radon can be present anywhere. Learn more about this radioactive gas and how to keep your exposure low.

  6. Radon Poisoning: Symptoms, Risk Factors, and More - Healthline

    Apr 13, 2023 · Long-term exposure to high levels of radon can be dangerous to your health. Learn where you’re likely to find high levels of radon, how to test for it, and how it can impact your health.

  7. What is Radon and How are We Exposed to It? | IAEA

    Aug 18, 2023 · Radon is a radioactive gas that has no colour, smell or taste. It is produced in the ground from uranium and diffuses into the atmosphere. High concentrations of radon may build up in …

  8. See Your Risk: Updated Radon Levels by Zip Code - Radon.org

    Radon is a radioactive gas produced from the natural decay of uranium found in soil, rocks, and water. It is a silent intruder that can stealthily infiltrate our homes, especially in poorly ventilated spaces such …

  9. Radon and Cancer Risk - American Cancer Society

    Exposure to radon is the leading cause of lung cancer in people who don’t smoke. Getting your home tested for radon can help protect you and your family and reduce your cancer risk. What is radon? …

  10. Radon - World Health Organization (WHO)

    Jan 25, 2023 · Radon is one of the leading causes of lung cancer. Radon is estimated to cause between 3% to 14% of all lung cancers in a country, depending on the national average radon level and …