Motion sickness makes people feel discomfited when they’re in ships, cars, planes, or other modes of transportation. They may feel just a vague uneasiness, but the symptoms can progress to nausea and vomiting. The transient condition occurs due to disturbances of the inner ear, which is responsible for equilibrium and balance. The brain receives conflicting information about the body’s position and the motion it is experiencing through not only the ears, but also the eyes, skin receptors, muscles, and joint sensors.

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