Date Published: 08/02/2007 [Source]
It's odorless, invisible and has been linked to lung cancer. It is radon, and it could be in your home.
Radon, a natural radioactive gas, tends to be more prevalent in rocky or mountainous locations. Homebuyers and home inspectors have tested for elevated radon levels in the northeastern part of the United States for a long time, but radon testing has become more common in the Triad in recent years.