WASHINGTON - Space can be an unfriendly place for the human body, with microgravity conditions and other factors tampering with our physiology, from head to toe - head, of course, being a primary concern.
Based on brain scans of 30 astronauts, the researchers found that it took three years for the ventricles to fully recover after such journeys, suggesting that an interval of at least that duration would be advisable between longer space missions. "The impact of ventricular expansion in space travelers is not currently known. More long-term health follow-up is needed. This ventricular expansion likely compresses the surrounding brain tissue," University of Florida applied physiology and kinesiology professor and study senior author Rachael Seidler said."This seems to be a mechanical effect," Seidler said.
"This suggests that the majority of ventricle enlargement happens during the first six months in space, then begins to taper off around the one-year mark," McGregor said.
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