Living in space destroys more red blood cells, study finds

Living in space destroys more red blood cells, study finds

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN)Space travel is known to be notoriously rough on the human body, but new research has revealed just how hard it hits red blood cells. When we're on Earth, our bodies create and destroy 2 million of these cells per second. In space, astronauts experienced 3 million red blood cells destroyed per second, resulting in a loss of 54% more cells than people on Earth experience, according to a new study. Lower red blood cell counts in astronauts is known as space anemia. "Space anemia has consistently been reported when astronauts returned to Earth since the first space missions, but we didn't know why," said study author Dr. Guy Trudel, …
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