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