Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and ...

Lung cancer is cancer that starts in your lungs. It is the leading cause of cancer death among men and women. Finding lung cancer early before it spreads improves your chances of beating the disease.

Pulmonary fibrosis is a deadly disease in which the lungs become thickened and scarred, gradually losing their ability to deliver oxygen to the body. Now, scientists at UC San Francisco have ...