Infectious or chronic diseases such as long COVID, Alzheimer’s disease and traumatic brain injury can cause inflammation in ...

Muscle spasms can be a source of considerable pain in many people with fibromyalgia and chronic fatigue syndrome. Muscles clench and just won't relax, sometimes in spite of multiple treatments.

Fibromyalgia is a chronic disorder characterised by muscle pain throughout the body ... or not seek help for chronic pain. Admitting weakness or vulnerability may go against social expectations.