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A migraine is more than just a headache; it is intensely painful and has distinct phases. The disorder used to be considered vascular, but recent research has revealed it to be neurological in origin, related to a wave of nerve cell activity that sweeps across the brain.
The root of migraine may reside in brain stem malfunctioning. Debate still swirls about the precise cause of migraines, but new discoveries are already permitting the development of new treatments.