Homes built after 1979 have tighter insulation wraps — trapping smoke, odors and other contaminants indoors.

Six out of 10 homes and buildings are “sick” and are hazardous to occupants. — U.S. Environmental Protection Agency

Air pollution contributes to lung disease, including respiratory tract infections, asthma and lung cancer. Lung disease claims close to 335,000 lives in America every year and is the third leading cause of death in the United States. Over the past decade, the death rate for lung disease has risen faster than for almost any other […]