Long-duration space flight equal to decade of bone loss in astronauts

Scientists have long known that astronauts lose bone density while in space, but a study

study published this week found they only partially recover this loss one year after returning to Earth.

The researchers said the findings suggest long-duration spaceflight is equal to decades of bone loss 

Bone loss happens because bones don't have to carry your weight in microgravity, meaning 

Bone loss happens in humans -- as we age, get injured, or any scenario where we can't move the body,

we lose bone," said Leigh Gabel, assistant professor in kinesiology at the University of Calgary and lead 

The researchers scanned and studied the wrists and ankles of 17 astronauts at Johnson Space Center

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