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