Motion sickness has a great deal to do with the sense of balance, which is controlled in part by the inner ear. When sitting in a moving car, boat, or aeroplane, for example, the fluid io the inner ear shifts, and confusing impulses may be sent to the balance center of the brain. The eyes, as well unable to focus on a fixed horizon, may send upsetting messages to the brain. Some of these impulses may eventually reach the area that controls nausea and vomiting, with consequences that are all too famliar. The good news is there are drugs that can be taken before a trip to help prevent or reduce motion sickness.
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MEDICAL QUESTION AND ANSWER BOOK
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