Radon is all around us, but when it is trapped indoors, it becomes a serious health concern. In fact, radon is the second leading cause of lung cancer among smokers and the top cause of lung cancer among non-smokers. It is responsible for about 21,000 lung cancer deaths each year.

Radon is invisible and odorless and can appear in any type of home: old, new, with or without a basement. High indoor radon levels have been found in every state. The U.S. Environmental Protection Agency (EPA) estimates about 1 in 15 homes have high levels of radon. That's about eight million homes with high levels. Click to continue.

NCHH developed the fact sheet Radon-Resistant Construction: Low-Rise Multi-family Housing to help building owners and designers understand how to incorporate radon-resistant features in residential buildings. NCHH Executive Director Rebecca Morley recently discussed the risks on radon on the Dr. Oz show. Listen to the clips.