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