Chronic and or migraine headaches can be a debilitating problem. Migraine headaches are recurrent attacks of severe pain, normally on just one side of the head. It may be preceded by flashes or spots before the eyes and or a ringing in the ears. They may be accompanied by double vision, nausea, vomiting, or dizziness. These attacks might vary in frequency from daily to one every few years.
  Reports suggest migraines affect women three times as often as men. Migraines are frequently inherited. Many disturbances, such as allergy, temporary swelling of the brain, and endocrine disturbances, have been suspected of causing some varieties of the disorder. Although the exact cause is still unknown, evidence suggests a genetically transmitted disturbance of cranial circulation. The pain is believed to be associated with constriction followed by dilation of blood vessels leading to and within the brain.
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