In structures such as offices, homes, as well as schools, radon levels in the range of 10 Bq/m3 to greater than Bq/m3 have actually been discovered. It is normally thought that inhaled radon gas is swiftly breathed out as well as has little time throughout its blood circulation with the body to transfer its radioactive products in human body organs, tissues, or bones. Some researchers believe that radon liquified in the blood may trigger extra diseases beside lung cancer.