Proponents of oxygen bars say they offer many benefits, but there's little scientific evidence to support the claims. After arriving in Colorado, where I was staying at a ranch some 8,000 feet above ...

Please provide your email address to receive an email when new articles are posted on . Patients with moderate to severe COPD traveling to high altitude experienced improvements in hypoxemia, ...

The combination of alcohol plus cabin pressure at cruising altitude may threaten sleeping plane passengers' heart health, particularly on long haul flights, suggests the first study of its kind, ...

If you want to learn how to prevent altitude sickness, you need to understand how it can occur. And few people are as familiar with how it can ruin a hunt as Cody Arnold, who worked as a hunting guide ...

In the thin air above 3000m, climbers battle fatigue, cold and altitude sickness, but what if the damage outlasts the expedition? A team at the University of Edinburgh has shown that even a brief ...

A visitor flies into Denver from sea level, rents a car and drives up to Summit County. Braving the traffic, potholes and white-knuckle turns along the Interstate 70 mountain corridor, they get to one ...

The trend towards large size in marine animals with latitude, and the existence of giant marine species in polar regions have long been recognized, but remained enigmatic until a recent study showed ...