If you have COPD, the sounds made by your lungs can help your doctor evaluate the state of your airways and whether your treatment is working. Types of COPD lung sounds include wheezing, crackling, ...

Adventitious breath sounds are abnormal sounds resulting from unusual airflow through the lungs. They can be due to conditions, such as asthma or bronchitis. Anything that changes the normal airflow ...

Chronic coughing is a common symptom of lung cancer. If you have a chronic cough and don't know why, see your doctor. (Photo Credit: E+/Getty Images) A cough that never goes away or gets worse over ...

Mucus is a normal part of the lungs. But smoking and other issues can cause too much mucus to collect there. (Photo Credit: iStock/Getty Images) Your body makes about a liter (approximately 1 quart) ...