Pain is your body's way of warning you that something is wrong. If you step on a sharp object or put your hand on a hot stove, the pain lets you know right away that you are hurt and need to protect yourself. You may have pain from an injury, after surgery, or from a health problem like cancer, osteoarthritis, low back pain, headaches, or fibromyalgia....Learn More.........http://www.healthlibrary.com/pain_management.htm
