The process of oxygenating a body differs among many animal species. Mammals have lungs that expand and contract for proper ...

Hadi Nia, Ph.D. wanted to learn about the inner workings of the lung in a way nobody had, but he knew he’d need something close to a crystal ball to see what was really happening. That idea, it turns ...

Cold air can irritate the airways that carry air into the lungs, potentially causing symptoms like coughing, chest tightness, and trouble breathing.

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act ...