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Astronauts 'become as weak as 80-year-olds'The TelegraphAug. 19, 2010 |
 Astronauts who spend months in space become as physically weak as 80-year-olds, a study has found. Read More 
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Astronauts 'become as weak as 80-year-olds'The TelegraphAug. 19, 2010 |
Astronauts who spend months in space become as physically weak as 80-year-olds, a study has found. Read More
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