Emphysema damages the alveoli—the air sacs in the lungs. Their walls stretch and break down, making the lungs larger and harder to breathe. It is the most common form of COPD, typically caused by long‑term smoking, and affects an estimated 200 million people worldwide. There is no cure. Endothelial Researchers at Weill Cornell Medicine and … Continue reading Endothelial cell treatment reverses lung damage in mice with emphysema