"The, International Headache Society (HIS) has created a checklist by which migraine can be diagnosed. This is a simplified, standardized and globally accepted diagnostic test for migraine. The following criteria define common migraine, which is the migraine without aura:

1.A patient should have had at least five of these headaches.

2.The headache lasts from 4 to 72 hours.

3.The headache must have at least two of the following:

c.Moderate or severe intensity, making daily activities difficult or impossible to perform

d.Headache is worsened by routine physical activity. Such a bending over or climbing stairs.

4.The Headache is accompanied by at least one of the following:

b.Dislike of light (photophobia) or dislike of sound (phonophobia).

5. Secondary causes of headache are excluded with a normal exam and/or normal CAT or MRI scans." (Tep

Experts are of opinion that an attack is triggered from within the brain itself. Once one begins, pain and other symptoms of migraine arise from a process swelling resulting from some exchanges between the trigeminal nerve and blood vessels found in the coverings of the brain. Serotonin, a naturally occurring chemical in the brain is considered responsible in this inflammatory process. (USA Today, 2001)

There are a range of effective medications available for migraine treatment from a benign to acute degree. These reduce a periodic count of attacks to about 40 per cent. (Harder, 2005). But all these are loaded with side effects ranging from forgetfulness to fatigue, nausea, and skin sensations that have no obvious cause. Some experts list drug dependency, and even cause severe headache that continues despite the use of medication, as commonly reported side effects. Therefore, most migraine experts suggest changing lifestyles to help prevent migraine and minimize pain if migraine occurs.

Some common words found in the essay are:
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