Introduction: Radon is a cancer-causing, radioactive gas that is released in rock, soil, and water. You can’t see radon and you can’t smell it or taste it. It comes from the natural decay of uranium that is found in nearly all soils. It typically moves up through the ground to the air above and into your home through cracks and other penetrations in the foundation. Any home may have a radon problem. This means new and old homes, well sealed and drafty homes, and homes with or