The cost of headache disorders in Europe: the Eurolight project

Background and purpose: Headache disorders are very common, but their monetary costs in Europe are unknown. We performed the first comprehensive estimation of how economic resources are lost to headache in Europe. Methods: From November 2008 to August 2009, a cross‐sectional survey was conducted in eight countries representing 55% of the adult EU population. Participation rates varied between 11% and 59%. In total, 8412 questionnaires...