New astronauts have changes in their brains after their first long-duration mission

Astronauts going on their first long-duration space mission have differences in their brains compared to the brains of more experienced astronauts and those of people who have never been in space, specifically, growth in the spaces of the brain where cerebrospinal fluid flows, a new study finds.

Although scientists have known that being in space alters and potentially damages the brainthe study is one of the first to address a specific aspect of brain health in space using a comparative method and a relatively large group of astronauts.

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