Good breathing is at the heart of good health. When asthma or shortness of breath appears, a person might be sent for pulmonary function tests. Arlene Dunlap of Piscataway, N.J. knows those tests well ...

A phlegmy cough and shortness of breath are possible warning signs of chronic obstructive pulmonary disease (COPD). Keeping track of your symptoms and knowing your risk factors can help you test ...