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