phlegm

Exercise is an important part of a healthy, active lifestyle. It improves your heart and lungs and builds strong bones and muscles. However, exercise can cause sore muscles. This is common if you t...

If you’ve been diagnosed with chronic obstructive pulmonary disease (COPD), it’s important to know about COPD exacerbations. These events are potentially serious and even life threatening. Learn ho...

You probably know the feeling of having cold symptoms that move from your head into your chest. Many people call this a chest cold. The medical term for it is “acute bronchitis.” Bronchitis is an i...