https://safirsoft.com We don't know why, but being in space makes us lose our blood
Spatial anemia is associated with being in an empty space and can persist for a period of time.

space is not easy for humans. Some aspects can be avoided - the vacuum, of course, the cold, as well as some radiation. Astronauts can also lose bone density due to a lack of gravity. NASA has even created a fun acronym for these problems: RIDGE, which stands for space radiation, isolation and container, distance from Earth, gravitational fields, and hostile environments.

New research adds to concerns by explaining how being in space kills your blood. Or rather, something about space - and we still don't know what - is causing blood in the human body to break down faster than on Earth.

This phenomenon is called spatial anemia, and it was fine. It was studied as part of a series of problems astronauts face upon return to Earth, in which Jay Trudel, one of the article's authors and a specialist in physical medicine and rehabilitation at the Ottawa Hospital, participated in it. "When the astronauts return from space, they are very similar to the patients we receive in rehab," he told Ars. The top of objects when they first reach space. They rapidly lose 10 percent of the fluid in their blood vessels, and their bodies were expected to destroy 10 percent of their red blood cells until everything was back in balance. People also doubted that the situation would return to normal after 10 days. Trudeau and his team found that hemolysis was the primary response to being in space. "Our results were a bit surprising," he said. Astronauts on the International space Station for six months. The astronauts brought in the special cans and exhaled into them on four exhalation cycles: five days, 12 days, three months, and before returning home at six months. Then, at the end of the initial mission, they put the cans back on the ground, breath, and all.

In the lab, researchers looked at astronauts' breaths using high-resolution gas chromatography. It measures how much carbon monoxide they produce in space after different time periods. According to Trudel, every time red blood cells are broken down in the body, carbon monoxide is produced. This is not a complete correlation, as other body processes can lead to carbon monoxide production, such as some muscle and liver functions. However, Trudel noted that it is estimated that 85% of man-made carbon monoxide is produced by hemolysis.

The team showed that astronauts' bodies in space are at about 3 million per second killing red blood cells. This is 54% more than what happens in the human body on Earth, which has a population of two million people per second.

In space, the human body loses fluid, so even if astronauts have fewer red bodies. blood cells, the concentration remains at acceptable levels. But when a person returns to Earth, his body regains fluid to counteract the increase in gravity, and spatial anemia begins.

After the astronauts returned from the flight, five of the 13 people who had bled at the time of landing were clinically anemic. After three or four months, the number of red blood cells continues to grow. However, Trudeau's team performed the same experiment a year later and found that red blood cell destruction was still 30% higher in the astronauts. According to the researcher, the longer the astronauts stay in space, the longer the anemia in space traps them on solid ground.



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