It's not that there's less oxygen in the air around you, it's that the molecules are more spread out. Colorado Springs is about 6,000 feet above sea level. At that altitude, you are breathing in ...

high altitude typically means at least 7,000 to 8,000 feet above sea level. At this elevation, there’s less oxygen in the air. Your workout will feel more difficult, and you’ll get tired more ...

Adventure staff writer Julia Clarke reveals what she’s doing to prepare for oxygen deprivation during a Himalayan trek ...

you can probably return to that altitude without problems as long as you are properly acclimatized. The concentration of oxygen at sea level is about 21% and the barometric pressure averages 760 mmHg.

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 ...

Discover why combining alcohol with high-altitude sleep can strain the heart and reduce oxygen levels, especially concerning older adults. Alcohol consumption during sleep at high altitudes lowers ...

Staying at high altitudes for extended periods may also cause forms of altitude sickness. At sea level, the oxygen concentration in the air is approximately 21%, and air pressure averages 760 ...

“As we age, especially at altitude, we lose that blood oxygen level,” Formato said. “So for folks who maybe never really had altitude issues, those might start to get them in their 40s or 50s.