The low levels of gravity (microgravity) in space cause significant changes in astronauts' eyes and vision after six to 12 months aboard the International Space Station (ISS), according to a study published in the IEEE Open Journal of Engineering in Medicine and Biology.
I kinda assumed any Mars mission would include some simple centrifugal pod. Seems like even if it’s just for sleeping it would be useful.
Have a 2x Earth gravity exercise room. Make Mars an MXC series.
Goku would like a word