Researchers have found changes to the brains of astronauts who visited the ISS, with parts of the brain called perivascular spaces expanding.
Researchers have found changes in the brains of astronauts who visited the International Space Station, with parts of the brain called perivascular spaces expanding in volume.
The researchers found that these fluid-filled spaces in the brain, called perivascular spaces, got bigger in astronauts who went to the space station for the first time. However, astronauts who had already been to space and had been to the station for another mission didn’t show any change. That suggests that astronauts may adapt to space, according to the lead author Juan Piantino: “Experienced astronauts may have reached some kind of homeostasis,” Piantino said in a statement.
“We all adapted to use gravity in our favor,” Piantino said. “Nature didn’t put our brains in our feet — it put them high up. Once you remove gravity from the equation, what does that do to human physiology?”
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