What causes carsickness?

Carsickness is generally considered to be caused by excessive stimulation of the balance organs of the inner ear vestibule. In addition, eating a large amount of food, fasting, etc. can also lead to carsickness. After carsickness, you can appropriately use carsickness stickers or local use of wind oil to alleviate symptoms. In addition, you need to pay attention to the air circulation in the car.