their sense of balance gets worse
their sense of balance doesn’t change
their sense of balance gets better
zero gravity
regular gravity
microgravity
legs
muscles
brains
hands
migraines
food poisoning
sleeping sickness
motion sickness
it swells with fluid before shrinking
nothing, it stays the same
it slows down
it speeds up
legs and arms
torso and head
stomach
lungs
interacting
eating
talking
walking