. . "Healthy Fan safely utilizes UV-C by controlling it to extend in a set circumference and within onl...South Dakota Becomes 24th State to Meet American Lung Association Smokefree Air Challenge by Passing Legislation Protecting All Workers from Secondhand Smoke...0 Americans annually, according to the U.S. Surgeon General, and is the cause of a host of diseases and ailments including lung cancer, hea" . .