Radon is a naturally occurring radioactive gas without color, odor or taste. Radon is one stage in the decay process of uranium. When one element “decays” and becomes a different element altogether, it gives off radiation in the form of alpha and beta particles and gamma rays. Radon exists as a gas for slightly less than 4 days. It then decays and smaller energy particles are formed which also decay very rapidly. The alpha particles in the air are the real concern as they are heavy enough to penetrate a layer of skin. Long term exposure to high levels of radon gas can cause damage to sensitive lung tissue that can then lead to lung cancer.