Motion sickness
Everyone has the capacity to become motion sick, but there’s no real explanation for why some people do and others don’t . Motion (or travel) sickness occurs when you feel unwell due to being in a moving vehicle. Commonly known as ‘car sickness’ or ‘sea sickness’, it is a normal response and can generally be prevented. Motion sickness may occur in response to certain types of movement, whether it is the person or what they are looking at (for example, a movie screen) that is moving. Motion sickness is not considered to be a disease as it can occur in nearly every person. Motion sickness happens when what your body feels is happening doesn’t match up with what it sees. If a person is exposed to motion for an extended period (for example, during a long journey at sea) or has repeated exposures, their brain may adapt in time to the constant motion and they may no longer experience motion sickness. Both theories of motion sickness involve a dissonance between expectat...