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By DR. ED OVERHOLT
Rappahannock News Contributing Writer
One of the most common problems that I see among children, and particularly teenagers, is fainting and dizziness. Fainting or “syncope” occurs slightly more often in girls than boys.
All types of dizziness or fainting are caused by a change in the normal blood supply to the brain. While this sounds very frightening and dangerous, the majority of these episodes are not serious and do not suggest a hidden underlying problem.
The most common type of fainting is brought on by a number of factors which give the feeling of threat without escape. This threat can be real or imaginary. Pain, the sight of blood, hunger, excitement, overheating, or even being in a crowd can bring on this feeling of threat.
Once the response is triggered, the nervous system causes many changes, including yawning, rapid breathing, slow pulse rate and a fall in blood pressure. All these changes
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