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Why do people suffer from altitude sickn...

Why do people suffer from altitude sickness after reaching the high altitude regions ? How does their body acclimatized after a couple of days ?

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High altitude places can cause altitude sickness. Its symptoms include nausea, fatigue and heart palpitations. This is because in the low atmospheric pressure of high altitudes, the body does not get enough oxygen. The body gets acclimaxed by increase in breathing rate, increased RBC production and decrease in the binding of Maemoglobin.
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