Eighteen million Americans suffer from migraines. Most are women between the ages of 15 and 55 and many have a family history of these debilitating headaches. Fortunately migraines become less severe and frequent with age.

A migraine headache is a severe pain, usually felt on one side of the head. The pain is concentrated around the temples or behind one eye or ear and is often accompanied by nausea, vomiting and sensitivity to light and sound. These headaches can last for a few hours to a few...