Why marble has radiation?
Building material is the main source of radon geological fracture zone will also have a lot of radon. Radon in the air enter the body, or attached to the tracheal mucosa and lung surface, or into the body fluid into the tissue formation in vivo radiation induced lung cancer, leukemia and respiratory tract diseases. Studies show that radon is a WHO, only to lung cancer caused by smoking second carcinogens.
Because marble contains radioactive material, called "Radon", is a kind of colorless and tasteless inert gas can not be detected
