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Motion sickness
Motion sickness, also known as travel sickness, is a common condition characterized by nausea, vomiting, dizziness, and other symptoms that occur when traveling in a moving vehicle or experiencing motion. It is believed to result from conflicting sensory signals sent to the brain, particularly those related to balance and spatial orientation. Motion sickness can occur during various forms of transportation, including cars, boats, airplanes, trains, and amusement park rides.