http://www.niams.nih.gov/Health_Info/Back_Pain/default.asp
National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health
This booklet is for people who have back pain, as well as family members, friends, and others who want to find out more about it. The booklet describes causes, diagnosis, and treatments, and research efforts to learn more about it, many of which are supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) and other components of the Department of Health and Human Services’ National Institutes of Health (NIH).