零重力环境使一些宇航员的血液倒流

处于零重力状态会对身体产生奇怪的影响——现在有消息称，它会使人的血液倒流。血液循环的改变导致两名宇航员产生了小血块，这可能是致命的，但幸运的是，受影响的男女没有受到伤害。

Zero gravity made some astronauts’ blood flow backwards
https://www.newscientist.com/article/2223705-zero-gravity-made-some-astronauts-blood-flow-backwards/

https://www.newscientist.com/article/2223705-zero-gravity-made-some-astronauts-blood-flow-backwards/#ixzz65XuDAXNM

Journal reference: JAMA Network Open, DOI: 10.1001/jamanetworkopen.2019.15011

Astronauts experienced reverse blood flow and blood clots on the space station, study says

https://edition.cnn.com/2019/11/15/health/astronaut-blood-flow-clot-scn-trnd/index.html