A 31-year-old splitboarder was rescued from Mount Shasta after altitude sickness left him too exhausted to continue ...

According to the Siskiyou County Sheriff's Office, a 31-year-old man called dispatch around 4:30 p.m. after his symptoms ...

At last, you’ve arrived in Cuzco, Peru — you’re ready for your dream trek to Machu Picchu. There’s just one problem: You can barely catch your breath, your stomach is churning and, in the morning, ...

Nothing Is Impossible," elite mountaineer Nirmal Purja races up the world's highest summits at extraordinary speed. But even he isn't immune to altitude.

If you’re planning a getaway at one of these popular high-altitude destinations—from Banff to the Colorado Rocky ...

Senior Instructor in Emergency Medicine, University of Colorado Anschutz Medical Campus Equipped with the latest gear and a thirst for adventure, mountaineers embrace the perils that come with ...

Tired of altitude sickness? Try one of these 10 ski resorts.

Altitude sickness emerged as a human concern thousands of years ago, and not just out of thin air. Even with years of studying the symptoms and impact on the body, it still affects many people who ...

During one ascent, Purja develops symptoms of high-altitude cerebral oedema (brain swelling), a dangerous form of altitude sickness that can strike with little warning. It’s a stark reminder that when ...