{"id":224253,"date":"2025-10-30T01:20:32","date_gmt":"2025-10-30T06:20:32","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/spaceflight-study-reveals-men-experience-greater-eye-changes-while-brain-differences-between-sexes-are-subtle"},"modified":"2025-10-30T01:20:32","modified_gmt":"2025-10-30T06:20:32","slug":"spaceflight-study-reveals-men-experience-greater-eye-changes-while-brain-differences-between-sexes-are-subtle","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/spaceflight-study-reveals-men-experience-greater-eye-changes-while-brain-differences-between-sexes-are-subtle","title":{"rendered":"Spaceflight study reveals men experience greater eye changes, while brain differences between sexes are subtle"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/spaceflight-study-reveals-men-experience-greater-eye-changes-while-brain-differences-between-sexes-are-subtle.jpg\"><\/a><\/p>\n<p>A new study into how spaceflight impacts the human brain and eyes revealed notable sex differences in brain fluid shifts, with female astronauts showing a greater reduction in fluid around the uppermost part of the brain than their male counterparts.<\/p>\n<p>Led by Rachael D. Seidler, Ph.D., director of the University of Florida\u2019s Astraeus Space Institute and professor of applied physiology and kinesiology, the study analyzed data from astronauts to determine how factors such as sex, age and body metrics relate to structural <a href=\"https:\/\/phys.org\/tags\/brain\/\" rel=\"tag\" class=\"\">brain<\/a> and eye changes after <a href=\"https:\/\/phys.org\/tags\/space+travel\/\" rel=\"tag\" class=\"\">space travel<\/a>.<\/p>\n<p>The findings, <a href=\"https:\/\/www.nature.com\/articles\/s41526-025-00505-9\" target=\"_blank\">published<\/a> in <i>npj Microgravity<\/i>, provide key information for protecting astronaut health on long-duration missions to the moon and Mars.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new study into how spaceflight impacts the human brain and eyes revealed notable sex differences in brain fluid shifts, with female astronauts showing a greater reduction in fluid around the uppermost part of the brain than their male counterparts. Led by Rachael D. Seidler, Ph.D., director of the University of Florida\u2019s Astraeus Space Institute [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1495,1901,8],"tags":[],"class_list":["post-224253","post","type-post","status-publish","format-standard","hentry","category-health","category-sex","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=224253"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224253\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}