If summer travel plans include high altitude conditions, it is important to take proper precautionary measures to prevent sickness, said a travel medicine expert from Baylor College of Medicine.

At what altitude is it hard to breathe? Generally, people without COPD who experience altitude sickness most commonly experience it at or above 9,800 ft (3,000 m) above sea level. It’s less ...

I got altitude psychosis a few hundred meters from high camp as I scaled the frigid face of Huayna Potosí ... effects of your garden-variety altitude sickness, including nausea, headaches ...

Hundreds have died attempting to climb Mount Everest and a map has pinpointed the known locations of their bodies.

Objectives: To compare a range of physiological responses to acute sea level hypoxia at simulated altitudes with the same physiological responses and acute mountain sickness (AMS) scores measured at ...