Motion sickness
When riding in a car or boat, the vibration of the human body can't adapt to and adjust the balance of the body due to the vibration and shaking, and the renal meridian dysfunction caused by the increased excitability of the sympathetic nerve can cause dizziness, vomiting and other motion sickness symptoms.
The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.