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Walking speed is associated with survival among older adults.
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The secret to a long life among women may mean just enough sleep.
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The world’s oldest man celebrated his 114th birthday Tuesday in his retirement home in Great Falls, Montana.
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Mammals with larger brains in relation to body size tend to have longer lives.
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For decades, the NASA Viking 1 lander held the title after toiling away six years and 116 days on mars.
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