Headache is a common symptom, and presumably has been for centuries if not millennia. It
is referred to in the oldest textbooks and even in ancient manuscripts. Yet the systematic …

The introduction of operational diagnostic criteria for the primary headaches in 1988 has
provided new opportunities for comprehensive epidemiologic headache research. In recent …

Headache is a worldwide problem. Whether prevalence varies markedly from one culture to
another remains problematic. In most population studies, headache tends to run in families …

Headache is an ancient affliction described as early as 3000 BC. 38 It is also an extremely
common affliction: One population-based study estimated that 90% of men and 95% of …

Previous classifications of headache have lacked accuracy. In 1988, the Headache
Classification Committee of the International Headache Society (IHS) introduced operational …

Epidemiology is an essential starting point in understanding the burden of a disease in the
population whether in the United States or worldwide. The epidemiology of migraine has …

Epidemiological studies conducted in the general population point to average headache
prevalence rates of 46% for 1-year prevalence and of 64% for lifetime prevalence. For …

Clinical and epidemiologic studies suggest that a number of factors are associated with the
risk of migraine and precipitation of an attack. However, the degree to which causal …

Migraine is probably best thought of as not one, two, or three illnesses, but several, even a
multitude. Although characteristic types of headache attacks have been exceedingly well …