Scientists have long thought of the fluid-filled sac around our lungs merely as a cushion from external damage. Turns out, it also houses potent virus-eating cells that rush into the lungs during flu ...

Respiratory syncytial virus (RSV) is an infection that affects your lungs, nose, throat, and breathing passages. You get it when infected droplets enter your nose, eyes, or mouth. This might happen ...

ECMO is a life support system that can temporarily take over the work of the heart and lungs, providing the body with oxygen. It can allow the heart and lungs time to rest and heal. A person may ...