hypoxia
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What happens to the human body when an avalanche buries it?
Environmental variables and the Triple H Syndrome

Can science explain mountaineering?
Studies on human physiology often accompany great mountaineering feats, however the results of these studies are at times, contradicted by reality.

Brains in danger?
A lack of oxygen to the brain can cause serious damage, but the threat is difficult to measure. A young researcher is testing new approaches.