radon gas risk 10
https://thejeffersoncountyradonworld.solsticebrief.com/posts/understanding-jefferson-county-radon-risks-and-how-to-address-them
Radon gas is a naturally occurring radioactive gas that can seep into homes through cracks in the foundation, and long-term exposure is the second leading cause of lung cancer after smoking. Testing your home is the only way to know if levels are high, and mitigation systems can reduce the risk significantly. It's a serious but often overlooked health hazard that's easy to avoid.