Perceived stress and pain severity in individuals with chronic migraine: A longitudinal cohort study using daily prospective diary data

We aimed to describe patterns of peak attack severity from day-to-day, and in relation to same-day perceived stress, in individuals with chronic migraine (CM).Although changes in perceived stress are often believed to trigger attacks, little is known about the relationship between perceived stress and attack severity, and about the role of perceived stress in the day-to-day experience of individuals with CM, as opposed to those with less...