When pain is constant, every single day, leading a normal life can be extremely difficult. Estimates say that more than 50 million Americans have their daily lives affected by chronic pain. Chronic pain can come from dealing with conditions such as cancer, nerve damage, headaches, neck pain, tunnel syndrome, sciatica, shingles, phantom limb pain, physical injury or arthritis. A disease that is just beginning to make its way into the common vocabulary is fibromyalgia, when a person has long-term pain and tenderness in the joints, muscles, tendons, and other soft tissues.