Chronic pain is normally considered to involve pain lasting at least three months. It is associated with many conditions and experienced in a variety of ways. Chronic pain sufferers often cannot point to, or prove, the presence of an injury. When a person’s pain experience does not fit medical paradigms of injury and tissue damage, does that make the pain any less real to the subject? ‘Chronic pain’ explains that for the person in chronic pain, something must be wrong. If there is no injury, there must nevertheless be some pathology of the nervous system or brain. It considers phantom limb pain and new research to combat chronic pain.