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Diet and Nutrition

Nutritional status of astronauts altered after long-term space flight

Published in Medical Letter on the CDC and FDA, May 8th, 2005

The nutritional status of astronauts is altered after long-term space flight aboard the International Space Station.

"Defining optimal nutrient requirements is critical for ensuring crew health during long-duration space exploration missions. Data pertaining to such nutrient requirements are extremely limited. The primary goal of this study was to better understand nutritional changes that occur during long-duration space flight. We examined body composition, bone metabolism, hematology, general blood chemistry, and blood levels of selected vitamins and minerals in 11 astronauts before and after long-duration (128-195 days) space flight aboard the International Space...

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