Maigraine sufferers at greater risk risk of stroke

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People who suffer migraines are about twice as likely as people without the painful headaches to suffer a stroke caused by a blood colt, according to a new research review. The analysis,which combined the results of 21 previous studies, confirms a connection between migraines and ischemic stroke - the most common form of stroke, occurring when a colt disrupts blood flow to the brain. Across the studies, migraine sufferers were about twice as likely to suffer an ischemic stroke as people without migraines, according to findings published in the American Journal of Medicine. But experts are not sure why the relationship exists, and it is not yet known whether the migraines themselves directly leads to strokes in some people.