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