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Headaches

wm38wm.com Headaches are very common and are considered one of the usual causes of disability among men and women. This is because headaches interfere with the ability to work and to perform daily tasks. Notwithstanding headaches that can be very painful and distressing, they rarely indicate a serious condition.
There are three identifiable types of headaches: the tension-type, cluster headaches and the migraine. A tension-type headache is usually mild to moderate that is characterized by a band-like pain that affects the whole head. Its causes is not well understood but are believed to be related to a lower-than-normal threshold for pain. Cluster headaches are characterized by a severe pain felt at the temple or around the eye on one side of the head that lasts a relatively short time and usually occurs in groups for a 6 to 8 week period. The most common type of headache is the tension-type headache while cluster headaches are relatively rare.
Migraine headaches are characterized by a throbbing, moderate to severe pain, usually on one side of the head, that is made worse by physical activity, lights, sounds or smells and are associated with nausea and vomiting. Migraines can start at any age but usually occurs in people between the ages of 10 and 40. They usually become significantly less severe or entirely resolved after the age of 50 or 60.
The cause of migraines is not well understood either although one theory explains it as to occur when arteries to the brain become narrow and then widen or dilate. This dilation is believed to activate nearby pain receptors. The main female hormone, estrogen appears to trigger migraine, possibly explaining why it is 3 times more common among women than in men. Some women have migraines just before, during or just after menstrual periods and when menopause approaches. Other factors that trigger migraine attacks include insomnia, changes in barometric pressure and hunger. Oral contraceptives and estrogen replacement therapy often makes migraines worse.

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