Your Bones Are Alive: Bones change with exercise
An astronaut can expect to lose about 0.5-1.5% of their bone density per month in space (1). That’s how much a post-menopausal woman might lose in 1 whole year, and it would take a whole decade for a man aged 40-60 to lose so much bone. In other words, a fit and healthy astronaut loses […]
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