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  1. About Radon - Ohio Department of Health

    Radon is a colorless and odorless gas that comes from the soil. The gas can accumulate in the air we breathe. Exposure to radon over a long period of time can lead to lung cancer. Is there a safe level of …

  2. 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.

  3. 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 most …

  4. 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, …

  5. Radon gas in homes: What to know - State Farm®

    5 days ago · Radon gas is odorless, colorless and the second leading cause of lung cancer. These are some common methods for assessing, preventing or removing it.

  6. Double Risk: How Radon and Smoking Fuel Lung Cancer

    4 days ago · Radon and smoking are both known causes of lung cancer, but when someone is exposed to both, the results can be deadly.

  7. Radon - Florida Department of Health

    Radon is a colorless, odorless, tasteless, invisible and chemically inert gas that comes from the decay of radium in the soil. Radium is a decay product of

  8. Radon.org - Your Trusted Source for Radon Information

    Radon is a naturally occurring radioactive gas that has become a significant concern in homes and buildings worldwide. Invisible, odorless, and tasteless, radon emerges from the natural decay of …

  9. Radon | US EPA

    Jan 8, 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 …

  10. DEP Encourages Pennsylvanians to Test Their Homes for Radon During ...

    6 days ago · The public is encouraged to call DEP’s Radon Division at 717-783-3594, or the Radon Hotline at 800-237-2366, for help with interpreting their test results and what follow-up action may be …