National Headache Foundation

CHICAGO, October 29, 2010 - New data presented today at The 2010 European Headache and Migraine Trust International Congress (EHMTIC) shows that persons with chronic migraine (headache on greater than or equal to 15 days per month) are much more likely to have annual household incomes below US$30,000 than those with episodic migraine (headache on < 15 days per month).