radon in basement 5

https://postmitigationradontestingplus.valoradigest.com/posts/why-post-mitigation-radon-testing-matters-for-your-home-in-york-county

Radon in basements is a serious health concern because this radioactive gas seeps up from the soil through foundation cracks, and without proper ventilation or mitigation, it can accumulate to dangerous levels, increasing the risk of lung cancer over time.