神舟十二号凯旋归来，3名宇航员返回地球后，为何也要进行隔离2

The return of Shenzhou XII astronauts, including Yang Liwei and Qin Haikang, is followed by a mandatory isolation period of up to two weeks to aid in readjusting to Earth"s gravity, prevent muscle atrophy, boost immunity, and manage psychological effects from the space environment. This process is crucial for their overall well-being upon re-entry.