Emphysema

Emphysema is the fourth largest cause of mortality in the U.S. and smoking is the main cause of emphysema. Over 3 million americans have been diagnosed with emphysema. Emphysema is a condition in which the walls between the alveoli (air sacs) within the lung lose their ability to stretch and recoil. Elasticity of the lung tissue is lost, causing air to be trapped in the air sacs and impairing the exchange of oxygen and carbon dioxide. Symptoms of emphysema include shortness of breath, cough and a limited exercise tolerance. Ephysema develops gradually over many years so the person may not experience symptoms such as shortness of breath until irreversible damage has already occurred. Quitting smoking is the single most important factor for maintaining healthy lungs. Find extensive information, diagnosis, treatment, and self-check tools on emphysema for patients, relatives and healthcare professionals.