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NASA Docs research health threats from microgravity

Microgravity is a new environment for human beings. As an increasing number of astronauts spend prolonged time in the International Space Station, there have been reports of visual changes, some of which appear to be permanent. I recently had the opportunity to discuss this newly defined syndrome, "Spaceflight-associated neuro-ocular syndrome" (SANS) with two NASA health specialists, William Tarver, MD, MPH, and Tyson Brunstetter, OD, PhD, MBA. Their work is fascinating, and the research is ongoing. You can view our interview, featured on Medscape here: https://www.medscape.com/viewarticle/918054

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