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