Atlas of headache disorders and resources in the world 2011

Despite that headache is felt at some time by nearly everybody, and almost half the world’s adults at any one time have recent personal experience of one or more of the three very common headache disorders, much is unknown about the public-health impact of these conditions. It is not known how, or how much, they affect many of the populations of the world, or how healthcare and other resources are utilized to mitigate their effects. This first global enquiry into these matters illuminates the worldwide neglect of this common health problem, and reveals the inadequacies of responses to it in countries throughout the world.