Astronauts lose 3 million red blood cells every second during the first 10 days in space—but a new study suggests it might last longer.
funded by the Canadian Space Agency , reveals the mechanisms that contribute to this potentially harmful condition.
When astronauts come back to Earth, they’re treated like a person coming back from an injury, says lead author But Trudel’s study reveals that this process doesn’t stop in space, but that the anemia actually continues for the next six months. Between 2015 and 2020, the samples were collected from 14 astronauts before they left Earth, during their stay on the International Space Station , and once again when they returned. Trudel’s team measured the concentration of carbon monoxide molecules left behind in the astronaut’s breath when the blood degraded—a sign that, if high, indicates an increase in red blood cell destruction in the body.
France Dernières Nouvelles, France Actualités
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