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At what altitude do you need oxygen?
Supplemental oxygen is required above 10,000 feet
Last updated on 19 May 2023
They seem to be reddish because of greater concentration of hemoglobin the oxygen carrying protein the main component of red blood cells.
The advantage of altitude training is that the muscles get a natural boost when more oxygen is available during lower-altitude competitions.
Avoid visiting places on the same day when you get to higher altitudes. Acclimatise and only then get to places which requires climbing.
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.
You will likely feel nauseous and lightheaded. You may vomit and have a headache. Different levels of altitude sickness have different symptoms: Symptoms of mild, short-term altitude sickness usually begin 12 to 24 hours after arriving at high altitude
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