People who have migrated from the planes to an area adjoining Rohtang Pass about six months back
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Have more RBCs and their haemoglobin has a lower binding affinity of O2
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are not physically fit to play games like football
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Suffer from altitude sickness with symptoms like nausea, fatigue, etc
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Have the usual RBC count but their haemoglobin has very high binding affinuty of O2
