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