The aim of this review was to summarize population-based studies reporting prevalence
and/or incidence of chronic migraine (CM) and to explore variation across studies. A …

Objective To characterise and compare the sociodemographic profiles and the frequency of
common comorbidities for adults with chronic migraine (CM) and episodic migraine (EM) in …

Objective Our objective was to characterize patterns of preventive medication use in persons
with episodic migraine (EM) and chronic migraine (CM). Background Several classes of …

Background.—Though symptomatic medication overuse is believed to play a major role in
progression from episodic to chronic or transformed migraine (TM), population‐based …

Objective: The purpose of this study was to assess psychometric properties of the six-item
Headache Impact Text (HIT-6™) across episodic and chronic migraine. Methods: Using a …

Background: Tension‐type headache (TTH) is the most prevalent headache type and is
causing a high degree of disability. Treatment of frequent TTH is often difficult. Objectives: To …

Background Longitudinal migraine studies have rarely assessed headache frequency and
disability variation over a year. Methods The Chronic Migraine Epidemiology and Outcomes …

Introduction: Calcitonin gene-related peptide (CGRP) is a key molecule in migraine
pathogenesis. Intravenous CGRP infusion triggers delayed migraine-like attacks in patients …

Migraine is a prevalent disabling neurological disorder associated with a wide range of
medical and psychiatric comorbidities. Population-and clinic-based studies suggest that …

Objectives.—To estimate the prevalence and distribution of chronic migraine (CM) in the US
population and compare the age‐and sex‐specific profiles of headache‐related disability in …