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  1. Radon: How It Can Affect Your Health - WebMD

    Aug 7, 2024 · Radon is a radioactive gas you can't see, feel, taste, or smell. It forms naturally when uranium — a heavy metal found in the ground and most rocks on the planet — decays, turning...

  2. Radon and Your Health | Radon | CDC - Centers for Disease …

    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, breathing in high levels of radon can cause lung cancer. All …

  3. The EPA debunks 10 myths about radon - Consumer Reports

    Jan 6, 2012 · Radon is a radioactive gas and exposure to it causes 21,000 lung cancer deaths per year—only smoking causes more. Because you can't see, smell or taste radon, it's important to periodically test...

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

    Apr 13, 2023 · Radon is a naturally occurring radioactive gas. It’s produced when uranium, thorium, and radium break down in soil, rock, and water. It’s then released into the air. Radon is odorless,...

  5. What is EPA's Action Level for Radon and What Does it Mean?

    Dec 2, 2024 · Radon is found in outdoor air and in the indoor air of buildings of all kinds. The EPA recommends homes be fixed if the radon level is 4 pCi/L (picocuries per liter) (150 becquerels per meter cubed (Bq/m3)) or more.

  6. Reducing Radon Levels in Your Home | Radon | CDC - Centers for …

    Feb 15, 2024 · There is no known safe level of radon. Aiming for the lowest radon level you can achieve in your home will reduce your risk of harmful health effects, including lung cancer. Test your home radon level.

  7. How To Test for Radon and Get Rid of It - This Old House

    Nov 18, 2024 · When uranium breaks down in rock, soil, and water, it produces radon. Radon is invisible, odorless, and tasteless. It’s impossible to detect it without proper testing. Radon enters homes through cracks in foundations, floors, and walls. …

  8. Radon Frequently Asked Questions | US EPA - U.S.

    Sep 26, 2024 · What is the radon hotline? What is the average level of radon found in homes in the U.S.? What is National Radon Action Month? When is Radon Action Week? What is the EPA's action level for radon and what does it mean? Describe the radon epidemiological studies? What is the debate on radon?

  9. Radon Levels 101: Why Radon Levels Fluctuate - The Radon Guys

    Dec 23, 2024 · If you’re surprised to see your radon levels rising (or falling), we’ll explain the science behind fluctuating radon levels, the factors at play, best practices for home radon testing, and tips for addressing high levels.

  10. Radon Gas: Causes, Exposure, Symptoms & Complications - Cleveland Clinic

    Radon is a naturally occurring, colorless, odorless, radioactive gas. You can develop lung cancer if you breathe in high levels of radon gas over time.