How ‘microgravity’ changes the bodies of astronauts

Being an astronaut looks like an exciting and glamorous career. But have you ever thought about the dangers that these people face by being exposed to extreme conditions, such as radiation and microgravity? Living and working in microgravity can impact your whole body in different ways. On the other hand, the human body is capable of adapting its physiology to survive in diverse conditions. “[S]paceflight poses unique medical problems due to prolonged exposure to a combination of stressful stimuli, such as acceleration forces, radiation, and weightlessness. In particular, the latter condition is a critical feature of [spaceflight] and has effects…

This story continues at The Next Web