Migraine Headaches are a type of vascular headache that occurs when the blood vessels in the brain are sensitive to various triggers, resulting in spasm or narrowing of the vessels. Other vessels respond by dilating or opening wider, resulting in throbbing pain. Migraine headaches are hereditary and appear to involve a chemical called serotonin. Serotonin controls transmission of nerve impulses in the brain. Serotonin deficiency in the brain is also responsible for depression.

Migraine headache risk factors include emotional stress, food hypersensitivity and menstruation.  Associated symptoms include light sensitivity, nausea and vomiting.  Sensory symptoms include seeing flashing lights, abnormal taste and hearing unusual sounds. Pain is usually on one side of the head and may vary from one episode to the next. Migraine headaches are aggravated by sound, light and movement.         

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