title: [How common is headache?].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D003027:Cluster Headache / Q000453:epidemiology; D005260:Female; D006261:Headache / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000453:epidemiology; D012737:Sex Factors
vernacular_title: Hur vanligt är huvudvärk?