Medically reviewed by Arno Kroner, DAOM Altitude sickness occurs when air pressure and oxygen levels are reduced at a higher elevation, as in the mountains. It's more likely to occur if you're ...

Medical research on high altitude illnesses is always expanding our knowledge of the causes and treatment. When going to altitude it is your responsibility to learn the latest information. The ...

have discovered a gene variant found in high-altitude Andean populations that they believe could be a new biomarker for predicting the severity of diseases and treatment responses for certain ...

As you can see in the accompanying video, the Kittinger jumps were part of an Air Force project to test multi-stage parachutes made for high-altitude ejections. This was dangerous testing.