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Astronauts' brains shift upward in space, causing balance issues, per a new study.
A new study finds astronauts' brains shift upward and back within the skull during spaceflight, especially after six months on the ISS, with MRI scans showing small but measurable changes linked to balance issues and motion sickness.
Similar shifts occurred in bed-rest participants simulating microgravity, though less severely.
While no lasting neurological effects were observed, researchers warn of potential risks for long missions to the Moon and Mars, calling for more study given the small sample size and historical lack of diversity in astronaut corps.
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Los cerebros de los astronautas se desplazan hacia arriba en el espacio, provocando problemas de equilibrio, según un nuevo estudio.