migraines run in families and a genetic link has been identified. but it is not entirely clear why some people get migraines and others do not. experts are not sure what causes migraines. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what causes migraine headaches?