Genetists Say Low Hemoglobin Gene Allow Tibetans To Thrive at High Altitude

A Chinese and University of Utah study identifies that genes that allows Tibetans to live at high altitude. The study says that Tibetans produce less hemoglobin which ferries oxygen molecules through the bloodstream however more hemoglobin also increase blood thickness. Ironically studies of people living at high altitude in the Andes do not have the same low hemoglobin gene.

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