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Pain that goes on for weeks, months or even years is called chronic pain. Sometimes it is due to an ongoing cause. Chronic pain is widely believed to represent disease itself. It can be made much worse by environmental and psychological factors, and could be resistant to most medical treatments.
Chronic pain may originate with an initial trauma/injury or infection, or there may be an ongoing cause of pain. However, some people suffer chronic pain in the absence of any past injury or evidence of body damage... Read more from: Facts About Chronic Pain
