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Why 26,000 feet is called the death zone

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Above 26,000 feet lies what is ominously termed the 'death zone'. At this brutal altitude, the atmospheric pressure drops so severely that the human body physically cannot pull enough oxygen from the air to sustain itself. Your cells begin to rapidly suffocate, proving that despite our massive egos, our biology is completely restricted to the bottom of the atmosphere.

Why 26,000 feet is called the death zone
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