Migraines/Headaches Health Channel
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Feature Article
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Migraine
Definition
A migraine is a common type of headache that may occur with symptoms such as nausea, vomiting, or sensitivity to light. In many people, a throbbing pain is felt only on one side of the head. Some people who get migraines have warning symptoms, called an aura, before the actual headache begins. An aura is a group of symptoms, usually vision disturbances, that serve as a warning sign that a bad headache is coming. Most people, however, do not have such warning signs. See also: - Headache
- Mixed tension migraine (features of both a migraine and tension headache)
Alternative Names
Headache - migraine
Causes, incidence, and risk factors
A lot of people get migraines -- about 11 out of 100. The headaches tend to first appear between the ages of 10 and 46. Occasionally, migraines may occur later in life in a person with no history of such headaches. Migraines occur more often in women than men, and may run in families. Women may have fewer migraines when they are pregnant. Most women with such headaches have fewer attacks during the last two trimesters of pregnancy. A migraine is caused by abnormal brain activity, which is triggered by stress, certain foods, environmental factors, or something else. However, the exact chain of events remains unclear. Scientists used to believe that migraines were due to changes in blood vessels within the brain. Today, most medical experts believe the attack actually begins in the brain itself, where it involves various nerve pathways and chemicals.
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Cluster headache (4 images)
Average Rating:
   (Doctor-Reviewed information)
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Mixed tension migraine (1 image)
(Doctor-Reviewed information)
Mixed tension migraine is a headache with features of both tension and migraine headaches. See also: Headache; Tension headache.Reviewer: Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.Date: 06/19/2008
Headache (3 images)
Average Rating:
(Doctor-Reviewed information)
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