Fibromyalgia is a syndrome characterized by chronic and widespread musculoskeletal pain,
often accompanied by other symptoms, such as fatigue, intestinal disorders and alterations …

Fibromyalgia is characterized by chronic widespread pain, fatigue, sleep disturbances and
functional symptoms. The etiopathogenesis, diagnostic criteria and classification criteria of …

Nociplastic pain is a mechanistic term used to describe pain that arises or is sustained by
altered nociception, despite the absence of tissue damage. Although nociplastic pain has …

Fibromyalgia (FM) is a common chronic pain disorder that presents diagnostic challenges
for clinicians. Several classification, diagnostic and screening criteria have been developed …

Low back pain (LBP) is one of the major disabling health conditions among older adults
aged 60 years or older. While most causes of LBP among older adults are non-specific and …

Accurate classification of chronic pain conditions requires reliable and valid pain
assessment. Moreover, pain assessment serves several additional functions, including …

Ample evidence suggests that sleep and pain are related. However, many questions remain
about the direction of causality in their association, as well as mechanisms that may account …

Chronic pain is one of the most prevalent health problems in our modern world, with millions
of people debilitated by conditions such as back pain, headache and arthritis. To address …

Preclinical studies coupled with clinical pharmacologic and neuroimaging investigations
have advanced our understanding of brain circuits that modulate pain. Descending pain …

It is well-recognized that, despite similar pain characteristics, some people with chronic pain
recover, whereas others do not. In this review, we discuss possible contributions and …