Why do people living at a high altitude seem to be red?
They seem to be reddish because of greater concentration of hemoglobin the oxygen carrying protein the main component of red blood cells.
Last updated on 12 Dec 2024
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.
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).
They have larger lung capacity than people living in the plains.
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.
Yes, oxygen is lower in higher altitudes
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