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.
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.
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.
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.
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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