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Radon & Your Health

Radon is the leading cause of lung cancer in non-smokers. Here's what the science says – and why it's worth testing.

Radon is the reason the EPA, the Surgeon General, and the World Health Organization all urge every home to be tested. It's a genuine, well-documented health risk – and an entirely preventable one.

The numbers

  • Radon causes an estimated 21,000 lung-cancer deaths a year in the U.S.
  • It's the #1 cause of lung cancer in non-smokers, and #2 overall after smoking
  • For smokers, radon exposure multiplies the risk dramatically

How radon harms you

When you breathe radon, radioactive particles can lodge in your lungs and damage tissue over time. There are no immediate symptoms – the risk builds silently over years of exposure, which is why so many people never realize their home is the problem.

There is no completely safe level of radon – but the risk rises sharply above the EPA's 4.0 pCi/L action level. Mitigation can bring most homes well below it.

Protecting your family

The fix is simple and permanent: test your home, and if it's high, install a mitigation system. Given how high radon runs in South Dakota, it's one of the easiest health risks a homeowner can eliminate.

Questions

Frequently Asked

Is radon dangerous at low levels?

There's no completely safe level, but risk rises with concentration and years of exposure. The EPA recommends action at 4.0 pCi/L; lower is always better.

How long does radon take to cause harm?

Radon risk is cumulative and builds over years of exposure – which is why testing and fixing high levels early matters, especially for families with children.

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