In the past five decades, fewer than 700 astronauts have flown into space. From a young age, we are subjected to ideas of glory and gain when we think of what it would be like to become one of them. But here’s the truth: not only does it require a tremendous amount of professional training, but it also has a monumental impact on the human body.
Curious to learn more about how the body reacts in zero gravity? Click through the gallery to find out.