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