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Updated: May 10, 2026

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers
Published on: January 5, 2024
Worldwide epidemiology of fibromyalgia
1Department of Neurology, Universidade Federal de Santa Catarina, Clínica do Cérebro. Rua Presidente Coutinho, 464 - Centro, 88015-231, Florianópolis, SC, Brazil lpqueiroz@floripa.com.br
Abstract:
Studying the epidemiology of fibromyalgia (FM) is very important to understand the impact of this disorder on persons, families and society. The recent modified 2010 classification criteria of the American College of Rheumatology (ACR), without the need of tender points palpation, allows that larger and nationwide surveys may be done, worldwide. This article reviews the prevalence and incidence studies done in the general population, in several countries/continents, the prevalence of FM in special groups/settings, the association of FM with some sociodemographic characteristics of the population, and the comorbidity of FM with others disorders, especially with headaches.
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