Headaches are comprised of two major categories, primary and secondary. Headaches belonging to the primary group are not caused by underlying medical conditions while secondary headaches are the result of a medical condition such as trauma, infection or possibly even a brain tumor. Most headaches belong in the primary category.
The primary category headaches include migraine headaches and tension headaches. These two headache types are the most common of all headaches with tension-type headaches being the most common. Tension headaches constitute about 75% of all headaches while migraine headaches affect as many as 30 or 40 million Americans, or approximately 10% or more of the American population.
Migraine headaches can become chronic in nature, but are typically experienced at most once or twice a week, not daily. Females experience the pain of migraines about 3 times as often as males, or about 75% of the time. Migraine headaches can be severe and disabling. They can be accompanied by nausea, vomiting and a sensitivity to light. About 20% of migraine patients will experience an aura. An aura is a disturbance in vision that consists of brightly colored blinking...
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