长期失重和暴露在宇宙辐射中会以人体造成极大损害。这主要表现在以下3个方面。 肌肉和骨骼萎缩 肌肉和骨骼萎缩是太空旅行研究中有代表性的关键领域之一。在地球上,肌肉和骨骼由于不断地对抗重力而得到锻炼,在微重力的太空环境,它们就会退化。NASA(美国航空航天局)的宇航员大卫·沃尔夫在俄罗斯“和平号”空间站上停留4个半月后,仅背部肌肉就减少了 Long-term weight loss and exposure to cosmic radiation can cause great damage to the human body. This is mainly reflected in the following three aspects. Muscle and Skeletal Shrinkage Muscle and skeletal atrophy are among the key areas of space travel research. On Earth, muscles and bones are exercised continually against gravity, and they degenerate in the micro-gravity space environment. NASA (NASA) astronaut David Wolf stayed on the Russian Mir space station for four and a half months, only the back muscles were reduced