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Some patients never fully heal, or suffer from long-term health conditions or diseases that force them to live with pain for months or years. Chronic pain is defined as pain that lasts for at least three to six consecutive months, or is present for three to six months nonconsecutively during a twelve- month period. It can be caused by inflammations of tissue (for example, arthritis), or by damage to nerves caused by diseases like diabetes or shingles. Sometimes, the cause of chronic pain can’t be determined. People Experience Pain Differently Pain is different for everyone because everyone has a different pain threshold. A pain threshold is how much a pain a person can stand. In addition, the ways in which the body reacted to

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What Is Pain?