What is the cause of carsickness?

The symptoms of motion sickness appear when taking a car. The common reason is that the vestibular function is particularly sensitive and sensitive. When a slight vibration changes, or brain changes will be triggered, resulting in nausea, vomiting, dizziness and other discomfort symptoms. In addition, it may also be due to the fact that the car is rarely used, and the body is uncomfortable when the vehicle suddenly accelerates or turns.