David M. Mannino, MD, the Kurt W. Deuschle endowed chair in preventive medicine and environmental health at the University of Kentucky, Lexington, where he directs the Pulmonary Epidemiology Research Laboratory and the Southeast Center for Agricultural Health and Injury Prevention. He is chief scientific officer of the COPD Foundation, COPDFoundation.org.
You notice that you’re feeling tired all the time, short of breath and can’t get rid of a nagging mucus-filled…
