FALLBROOK – No one is invulnerable to cancer. When it comes to reducing their cancer risk, individuals take many steps, including changing their diets and following recommended timelines for various health screenings. However, one important strategy may never occur to the average person – getting one's home tested for radon.

The U.S. Environmental Protection Agency reports that radon accounts for roughly 21,000 deaths from lung cancer each year. In fact, radon is the leading cause of lung cancer in people who don't smoke, according to the American Cancer Society.

Radon is a natural subs...