Shenzhou-18 Astronauts Return Home with Changed Appearances: What Impact Does Space Life Have on the Human Body?The Shenzhou-18 manned spacecraft successfully returned to Earth in the early morning of November 4, 2024, bringing three astronauts, Ye Guangfu, Li Cong, and Li Guangsu, back to Earth after a six-month-long space journey. However, CCTV News reported that the three astronauts' appearances had drastically changed after returning to Earth...