What is a Migraine Headache?

Various types of headache are related to each other as a continuum of cerebrovascular disorders; different types of migraine headaches occupy a sub-region of these maladies. The name migraine refers to the frequent occurrence of headache on one side (hemi-half) of the head (cranium). Another characteristic of some types of migraine is the presence of a preliminary or warning phase, the aura, which may yield unusual sensory-related phenomena such as colors or sounds. (more…)

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