High altitude pulmonary edema (HAPE) is a serious lung condition that may develop when you’re at high altitudes. Pulmonary edema is when fluid builds up in your lungs. In the case of HAPE, lower ...

Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

Higher altitudes can worsen COPD symptoms. People with COPD may need supplemental oxygen when staying at higher altitudes or flying in a plane. At higher elevations, your body needs to work harder to ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...