How do people survive at high altitudes?
Humans can survive at high altitudes. However, if you go to a high altitude, your body needs to adjust properly by getting used to it slowly or you could get sick.
Last updated on 19 May 2023
High hemoglobin level is most often caused by low oxygen levels in the blood (hypoxia), present over a long period of time. Common reasons includes bone marrow disease that causes abnormal increase in red blood cells (polycythemia vera) Congenital heart disease and heavy smoking.
Any level above 8000 feet above sea level one can experience altitude concern
Sleeping at higher attitudes promote fitness as it provides enough exposure to stimulate the production of new red blood cells, whilst allowing you to maintain training quality at sea level.
At altitude, the reduced oxygen content of the blood induces breathing instability, with periods of deep and rapid breathing alternating with central apnea. This breathing pattern is called high-altitude periodic breathing (PB).
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