What does a prolonged stay in space do to the human body? Discover how space travel affects an astronaut’s body, and the risks scientists take in journeying to space: | TED-Ed

A mysterious condition in space is distorting vision, and scientists have no cure. Studies show a 33% drop in ocular rigidity and an 11% decline in intraocular pressure—leading to blurred vision, farsightedness, and even shrinking visual fields. Some astronauts never fully recover. | Astro4Space

Shenzhou-18 Astronauts Conduct Microgravity Experiments | China Space Station FriendsofNASA.org: Halfway through their mission, the Shenzhou-18 crew members aboard China's orbiting Tiangong space station have recently completed a range of microgravity experiments to ensure their physical well-being in orbit, according to the China Manned Space Agency (CMSA). A significant challenge astronauts face during their space missions is adapting to the effects of weightlessness as prolonged exposure to t