Alveoli are tiny, balloon-shaped air sacs located at the end of the bronchioles, the branch-like tubes in the lungs. The alveoli move oxygen and carbon dioxide (CO 2) molecules into and out of your ...

According to the National Center for Health and Statistics, under the Centers for Disease Control and Prevention (CDC), ...

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

The common lung infection can range from mild to life-threatening. Here’s how to recognize it and when to seek care.

Pneumonia and lung cancer present similar symptoms like cough and chest pain. Pneumonia is a rapid infection, while lung cancer involves slow cell gro ...

Pulmonologist Dr. Ravi Kalhan answers the internet's burning questions about our lungs. What happens to your lungs if you vape? How do our lungs know the difference between oxygen and carbon dioxide?

As colder months set in, respiratory infections begin to climb: everything from the common cold and flu to COVID-19. It's a time when healthy lungs matter more than ever. Yet the very tissue that lets ...

Scientists are now able to directly compare the different kinds of injury that mechanical ventilation causes to cells in the lungs. In a new study, using a ventilator-on-a-chip model, researchers ...

Most of us don’t think twice about the simple act of breathing until it becomes hard to do. A shower, doing little things ...