# Astronauts’ Brains Shift in Microgravity, Causing Dizziness and Vision Risks

- URL: https://theranews.net/blog/2026-01-18-astronauts-brains-shift-in-microgravity-causing-dizziness-and-vision-risks-cedaf1/
- Published: 2026-01-18
- Type: Archive summary (AI-assisted summary of third-party reporting)
- Original outlet: webpronews
- Original report: https://www.webpronews.com/astronauts-brains-shift-in-microgravity-causing-dizziness-and-vision-risks/
- Topics: mental-health
- Publisher: TheraNews, operated by AdvancedCare USA Inc.
- Notice: Educational content, not medical, legal, billing or financial advice. Cite the original outlet, not this summary.

> Recent research shows astronauts' brains shift upward and backward in microgravity, causing fluid buildup, dizziness, and potential vision issues, with changes intensifying over longer missions. Some alterations persist post-flight, prompting countermeasures like artificial gravity for safer deep-sp

---
![Astronauts’ Brains Shift in Microgravity, Causing Dizziness and Vision Risks](/uploads/news-images/astronauts-brains-shift-in-microgravity-causing-20260118080039.jpeg)

---
*Originally reported by webpronews. [Read more](https://www.webpronews.com/astronauts-brains-shift-in-microgravity-causing-dizziness-and-vision-risks/)*

---

*Source: [https://www.webpronews.com/astronauts-brains-shift-in-microgravity-causing-dizziness-and-vision-risks/](https://www.webpronews.com/astronauts-brains-shift-in-microgravity-causing-dizziness-and-vision-risks/)*