Cluster headaches, like migraines, are likely due to an interaction of abnormalities in the blood vessels and nerves that affect regions in the face.
Evidence strongly suggests that abnormalities in the hypothalamus, a complex structure located deep in the brain, may play a major role in cluster headaches. Advanced imaging techniques have shown that a specific area in the hypothalamus is asymmetrical in these patients and is activated during a cluster...
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Headache sufferers often treat their pain by taking naps to sleep it off, but they run the risk of developing insomnia by disrupting their normal... Read more »
Source: ADAM Encyclopedia
A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are very rare. Most people with headaches can feel much... Read more »
Source: ADAM Encyclopedia
Pain in the eye (that is not due to injury) may be described as a burning, throbbing, aching, or stabbing sensation in or around the eye. It may... Read more »
Cluster headaches are often said to be the most painful of all headaches. They have been described as "boring," bearing, burning," "like a hot poker... Read more »
Source: HealthCentral Encyclopedia
Except perhaps for head colds, headaches are probably the most common human ailment. Three out of four Americans had a headache during the past year,... Read more »