Migraine headaches may increase stroke risk, study finds.  People with visual symptoms of migraines are particularly vulnerable; women are especially at risk.
D005260:Female; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000150:complications*; D020325:Migraine with Aura / Q000150:complications; D012307:Risk Factors; D012737:Sex Factors; D020521:Stroke / Q000209:etiology*