Causes

How Much Do You Know About Radon?

Radon is a gas that you can't see or smell. But it's present in nearly all the air around us. Everyone breathes in radon every day, usually at low levels. People who inhale high levels of radon are at increased risk for developing lung cancer. Radon is a problem in homes in which higher concentrations collect. Find out more about radon by taking this quiz, based on information from the Environmental Protection Agency (EPA) and other government agencies.

1. How does radon gas cause lung cancer?




2. Where does radon come from?




3. Which homes are more likely to have a radon problem?




4. Radon levels are measured in picocuries (pCi/L). What's the maximum level of radon acceptable in a home?




5. Radon can enter the home by seeping through cracks in the foundation. But it also can enter your home through the water supply. Which type of water supply poses the greatest danger?




6. What is an effective long-term method for removing radon gas that seeps into a home through the foundation?




Author: Sinovic, Dianna

Online Medical Reviewer: Hurd, Robert, MD

Online Medical Reviewer: Karlin, Ronald, MD

Online Medical Reviewer: Watson, L Renee, MSN, RN

Date Last Reviewed: 01/01/2023

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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