can radon cause health problems
It exists in both natural and man-made forms and has many beneficial uses, including x-rays and the generation of electrical power. Radon is a natural form of radiation that can cause serious health problems and is often found in igneous rock and soil. An odorless, colorless radioactive gas, radon is estimated to be the second leading cause of lung cancer in the United States, responsible for over 20,000 estimated lung cancer deaths each year.