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