Science

How People Have Evolved to Live in the Clouds

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High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at high elevations with seemingly little to no trouble.

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Sources:
https://www.nationalgeographic.com/culture/2004/02/high-altitude-adaptations-evolution/
http://www.altitude.org/altitude_sickness.php
http://theconversation.com/how-does-altitude-affect-the-body-and-why-does-it-affect-people-differently-95657
https://my.clevelandclinic.org/health/diseases/15111-altitude-sickness
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC139295/
https://www.physiology.org/doi/full/10.1152/japplphysiol.00605.2013
https://www.sciencemag.org/news/2017/04/mutations-may-reveal-how-tibetans-can-live-world-s-highest-plateau
https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/in-depth/high-blood-pressure-medication/art-20048154
https://www.ncbi.nlm.nih.gov/pubmed/16978132
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2599997/
https://www.sciencemag.org/news/2016/12/tibetan-dogs-can-survive-high-altitudes-thanks-ancient-breeding-wolves
https://www.pnas.org/content/110/51/20669
http://www.bloodjournal.org/content/126/23/3332?sso-checked=true

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