A colorless, odorless gas that can seep into your home from the ground, radon is often referred to as the second most common cause of lung cancer behind smoking.
What to look for: Basements or any area with protrusions into the ground offer entry points for radon. The Environmental Protection Agency publishes a map of high-prevalence areas. A radon test can determine if high levels are present.
A fibrous material once popular as fire-resistant insulation, asbestos was banned in 1985. However, it’s often found in the building materials, floor tiles, roof coverings, and siding of older. If disturbed or damaged, it can enter the air and cause severe illness.
What to look for: Homes built prior to 1985 are at risk of having…