宇航员迈克尔·巴勒特在国际空间站度过了200天,因为没有地球向下的引力,他身体的骨骼和肌肉块会受损,他的身体会产生较少的红细胞,他的心脏会萎缩。然而,巴勒特作为一名专攻航天医学的医生,他知道该如何利用饮食和锻炼来对抗这些变化。他所没有料到的是:视物不清。近日,在美国科学促进会(AAAS)举行的年度会议上,巴勒特解释说:在太空待了几周之后,他的视力严重下降,对此他感到很吃惊。当他查阅了来自原先航天任务的医学资料之后,他 Astronaut Michael Ballet spent 200 days at the International Space Station because without the downward gravity of the Earth, his body’s bones and muscles will be damaged, his body will produce fewer red blood cells, his heart will shrink . However, as a doctor specializing in space medicine, Ballet knows how to use diet and exercise to combat these changes. What he did not expect was: unclear vision. Recently, at an annual meeting of the AAAS, Barratt explained that he was surprised by a sharp decline in sight after a few weeks in space. When he consulted the medical information from the original space mission, he