Chronic bronchitis is an established phenotype with a clinical definition, associated outcomes, and targeted treatments. [1] The same cannot be said for emphysema, but a recently published letter [2] ...

Emphysema happens gradually as tobacco smoke or other pollutants damage the tiny air sacs in your lungs called alveoli. Normally, some 300 million alveoli help bring oxygen into your body and get rid ...

Visually assessed pulmonary emphysema independently predicted modestly elevated all-cause mortality risk over 25 years of follow-up in patients with a history of smoking. After controlling for other ...