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changes in force and stress are somehow involved), while the rate at which osteoclasts chew up bone stays the same. The result is that the size and mass of these bones continue to decrease as long as you remain in microgravity, at a rate of approximately 1 percent per month. These changes in bone mass make your bones weak and more likely to break upon your return to Earth’s gravity. It is not known how much of the bone loss is recoverable upon return to Earth, although it is https://www.oysterclothing.co.uk probably not 100 percent. These changes in bones may limit the duration of space flights. More research is needed in this area.
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