A new international headache classification has been adopted, knowledge of headache pathophysiology and genetics has advanced, and epidemiologic studies have bu... » 

A new international headache classification has been adopted, knowledge of headache pathophysiology and genetics has advanced, and epidemiologic studies have burgeoned. We have greater insights into the diagnosis and treatment of the secondary headaches. New treatments are available for primary headache disorders, including migraine, cluster, and chronic daily headache, with ongoing clinical trials producing new therapies. «