world. “data-reactid =” 23 “> They are the symbol that human life is always pushing back barriers that were thought to be insurmountable. In La Rinconada, a city of 50,000 souls located in the Andes, in Peru inhabitants fight against hypoxia, that is, an oxygen supply that is too low compared to the needs of the body. A case that questions science, as it was thought impossible permanent human life at this altitude, 5,300 meters above the level of the sea reports The world.
The tallest city on the planet is home to a locally operated gold mine nearby. Residents whose health intrigued the team of Samuel Vergès, from the Hypoxia and cardiovascular and respiratory pathophysiology laboratory (Inserm / Université Grenoble Alpes). On the spot, the French researchers discovered that all the minors present medical anomalies, like a volume of blood to eight liters, when the average, in the human, is five. Or permanently hyperdilated blood vessels and an enlarged right ventricle of the heart. The consequences of too low an oxygen level.
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“data-reactid =” 27 “> But the population seems to have more or less accommodated to the very harsh living conditions: surprisingly, only a quarter of the inhabitants show symptoms of chronicle mountain sickness (CMS), or chronic mountain sickness. A syndrome that manifests as a long list of symptoms, including palpitations, shortness of breath, or tinnitus. “At 5,300 meters, we expected to find physiological differences between people with CMS and others, as we observe at 4,000 meters. But there is none ”, notes (…) Read more on LePoint.fr
Himalayas: a trek of scientists to study the effects of altitude
Weather: rain in the northwest, sun in the south and east
Sahel, a terrorist equation to be solved urgently
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