how migraine occurs

Migraine is not a type of disorder that anyone wants to get associated to. A person suffering from migraine suffers from frequent headaches that are very painful. Migraine is a disorder of the central nervous system. There are main signs of migraines such as regular headaches, tingling sensations, dizziness, fatigue, etc. generally on one side of the body.

In some cases, visual disturbances may also occur. Migraine initially begins with vasoconstriction of the vessels that supply blood to the head. As soon as these vessels open up and a spurt of blood flows through to the brain. An intense headache, then occurs.
 

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