Home > Medical > COPD > About COPD About COPD All sections in COPD » About COPD » COPD and Medication » FAQs » Living with COPD » COPD News » Smoking » The Lungs Emphysema - from Natural Standard Emphysema is a chronic (long lasting) condition in which the walls between the alveoli (air sacs) within the lung lose their ability to stretch and recoil, causing shortness of breath. Chronic obstructive pulmonary disease (COPD) - from Natural Standard Chronic obstructive pulmonary disease (COPD) is a type of lung disease that involves damage or obstruction to the airways of the lungs, making it difficult to breathe. Chronic Obstructive Pulmonary Disease (COPD) Chronic Obstructive Pulmonary Disease (COPD) is a collective name encompassing a spectrum of diseases, including chronic bronchitis and emphysema. Subscribe to the Newsletter » Join us on Facebook » Ask Stop Smoking Expert » Ask CyberDoc » Anti-Tobacco Art Adenovirus Adenoviruses are medium-sized (90 to 100 nanometers) viruses that contain double-stranded deoxyribonucleic acid (DNA). DNA consists of two strands of a series of nucleotides shaped like a twisted ladder. This structure is referred to as a double helix, and it contains an individual's genetic code. Alpha-1 antitrypsin deficiency Alpha-1 antitrypsin deficiency is an inherited genetic disease in which tissue in the liver or lungs may become damaged, which prevents them from working properly. The first symptoms of alpha-1 antitrypsin deficiency usually occur between the ages of 20 and 50, but some infants or children may be affected with the disease as well. About one in 3,000 to 5,000 people are affected with alpha-1 antitrypsin deficiency. Emphysema-like disease and HIV Emphysema is an incurable condition that occurs when the walls between the air sacs in the lung lose their ability to stretch and recoil, causing shortness of breath. Some HIV patients develop a condition called emphysema-like disease, which causes similar symptoms. The main difference between these two conditions is that abnormal masses in the lungs, called cystic lesions, cause symptoms of emphysema-like disease. load more articles advertisement From our sponsors Your retirement - a healthy mindset So many people, why so alone? You can still enjoy the sweet things in life Take the sugar test, it could save your life.