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ISS Update: How Long-Duration Spaceflight Affects Health

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Published on May 17, 2013

ISS Update commentator Kelly Humphries interviews Dr. Scott Smith, Principal Investigator for the Pro_K and Nutrition experiments. During the interview, Smith talks about the Pro_K experiment, Nutrition experiment and how the microgravity environment of space can affect vision and health. Questions? Ask us on Twitter @NASA_Johnson and include the hashtag #askStation. For the latest news about the space station, visit http://www.nasa.gov/station.

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