Buff space mice could stop astronauts from losing bone and muscle mass


Super-muscular mice may now reveal a way to keep astronauts from losing muscle and bone in the microgravity of space, a new study finds.

A major challenge astronauts face during prolonged space missions is the simultaneous loss of bone and muscle, which weaken and atrophy due to disuse outside the constant pull of Earth’s gravity. Previous research found that in microgravity, astronauts can lose up to 20% of their muscle mass in less than two weeks.

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