Nine researchers from around the world have published a summary of the most recent progress in diagnosing and treating cluster headaches, as well as understanding the development of the disease. The review article was recently published in The Lancet Neurology. Cluster headaches are characterized by extremely painful attacks of severe, recurrent, unilateral headache and so-called autonomic symptoms, e.g., increase tear flow on the same side as the pain. However, the causes remain unknown. The clinical features of the disease are similar in patients globally, but regional differences in prevalence and Read More