Hypocortisolism has been reported in chronic fatigue syndrome (CFS), with the significance
of this finding to disease etiology unclear. This study examined cortisol levels and their …

AIM: The aim of this study was to test the feasibility of a novel, evidence-based intervention
SystemCHANGE–HIV on sleep outcomes. BACKGROUND: Insomnia and sleep …

Background In peripheral tissue, several substances influence pain and pain modulation.
Exercise has been found to decrease pain and improve function for chronic pain conditions …

Results on hypothalamicpituitary-adrenal (HPA) axis function in fibromyalgia are
heterogeneous and studies that integrate psychological and biological mechanisms in the …

Fibromyalgia syndrome (FMS) is a complex chronic condition causing widespread pain and
variety of other symptoms. It produces pain in the soft tissues located around joints …

Objective Fatigue is a defining characteristic and one of the most debilitating features of
fibromyalgia syndrome (FMS). The mechanisms underlying different dimensions of fatigue in …

This study was designed to explore whether the basal adrenocortical activity is related with
pain-related coping, nonverbal pain behavior, depressive mood, and fatigue in patients with …

Fibromyalgia (FM) is a highly prevalent syndrome that impairs the quality of life of the
patients; however, its diagnosis is complex and mainly centered on pain symptoms. The …

Background The relation between childhood trauma and chronic pain and emotional
symptoms in adulthood has been well-documented, although physiological mechanisms …

Mounting evidence suggests that individuals with fibromyalgia (FM) have impairments in
general cognitive functions. However, few studies have explored the possibility of …