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