宇航员锻炼法：抵抗衰老的秘诀

The same principles that help astronauts stay strong in microgravity can help us all resist the slow collapse of ageing, says Simon Evetts DURING my years working with astronauts, it was routine to hear about returning crew being carried from their re-entry capsules on stretchers. Even last year, we saw this when NASA astronauts Suni Williams and Butch Wilmore finally came home after their unexpectedly long nine-month stint on the International Space Station. Despite the top-notch health and fitness required to become an astronaut and the hours spent exercising while on missions, after several months in space, some astronauts can be more frail, less able to walk and more prone to injury than many older people back on Earth. …