Walking pneumonia is highly contagious and can cause very uncomfortable symptoms. Learn who can get it, how to treat and ...

World Pneumonia Day highlights the urgent need to fight pneumonia, a leading infectious cause of death among children. Learn ...

Gas exchange is a process that involves the swapping of gases that occurs at exchange surfaces such as the alveoli found within your lungs. Gas exchange allows oxygen to travel into your cells for ...

By Dr. Liji Thomas, MD Exposure alters immune cell movement and reduces pathogen clearance, increasing the risk of severe ...