When a pain lasts longer than 6 months irrespective of the cause of the pain, such pain is said to be chronic. Pain in this category is itself a disease. Unlike acute pain which serves to warn the victim, chronic pain serves no useful purpose to the sufferer. Chronic pain does not relate to the injury or cause of the injury. Long term pain disturbs everyday activities of the person suffering the pain. Such regular thing as walking downstairs or going up to the next floor of his or her...
Overcoming chronic pain - The Nation
Overcoming chronic pain - The Nation