What Causes Altitude Sickness?Altitude sickness, also known as mountain sickness, occurs due to decreased oxygen levels at higher elevations. Key causes include:- Reduced air pressure at high ...

They call it the “death zone.” It’s a stretch of Mount Everest that’s about 26,000 feet up and is strewn with something like 200 corpses permanently frozen into the landscape —a warning to other ...

Altitude sickness can sneak up fast — especially if you’re sipping après-ski cocktails. Here’s how to stay healthy in the mountains. Rich Manning is a writer and spirits and food competition judge ...