The objective was to document the operational definitions applied in epidemiological
studies of chronic pain and to examine whether pain definitions and other methodological …

Chronic pain (CP) is prevalent worldwide. Current reports on its prevalence in developing
countries are heterogeneous, and to date, there is no quantitative synthesis providing a …

Our understanding of chronic pain involves complex brain circuits that include sensory,
emotional, cognitive and interoceptive processing. The feed-forward interactions between …

Background Obesity is one of the most important underlying risk factors for chronic disease.
Dramatically increasing and following complication of obesity should be alerted to health …

ABSTRACT BACKGROUND AND OBJECTIVES: Chronic pain is considered a worldwide
public health problem, can lead to physical and emotional stress, in addition to high financial …

Background: Chronic musculoskeletal pain (CMP) is increasing in prevalence rapidly. Over
the past 2 decades low back pain has been ranked globally as the primary cause of years …

Purpose The present study aimed to determine the effects of combined supplementation of
Coenzyme Q10 with L-carnitine on mitochondrial metabolic disorders marker and migraine …

RESUMO JUSTIFICATIVA E OBJETIVOS: A dor crônica é considerada um problema de
saúde pública mundial, pode levar ao estresse físico e emocional, além de altos custos …

El dolor, definido como una experiencia sensorial o emocional desagradable de daño
tisular real o potencial, ha sido motivo de múltiples investigaciones que buscan explicar su …

Background Pain is a complex mechanism which involves different systems, including the
opioidergic and GABAergic systems. Due to the side effects of chemical analgesic agents …