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Migraine
Summary:
A migraine is an intense headache resulting from spasm of arteries in the brain followed by over-dilation, causing a throbbing that typically affects just one side of the head. Migraine is often accompanied by nausea and vomiting, prostration, and hypersensitivity to light. Right before a migraine there is sometimes an "aura" of visual disturbances or numbness in the limbs.
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