Chronic pain is longstanding pain that persists beyond the usual recovery period or that accompanies a chronic health condition. Because this pain is not protective and is not a result of an ongoing injury, it is referred to as "pathological" and is therefore treated as a condition, not as a symptom. Chronic pain may prevent people from working, eating properly, participating in physical activity, or enjoying life. Chronic pain management is a sub-specialty of medicine that focuses on the evaluation, treatment, and prevention of persistent, chronic pain. Whether the pain is the result of