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