Current thinking is that inflammation is the root cause of many
diseases including arthritis, heart disease, strokes, Alzheimer's.
Can this be controlled with diet? Take a look.
"Back Care Basics" by Schatz
great book to get you started with yoga without hurting your back.
She has step by step instructions for each pose, including
pictures of the beginning pose, common mistakes made when
trying a pose and then the advanced pose.
"The Back Pain Source Book" by Levin-Gervael gives you all the basics. Also has a good description of a variety of treatment options.
"Neck and Arm Pain" and "Understand Your Back Pain" by Cailliet is a classic. There are very detailed technical anatomical descriptions descriptions of your spine. It is a bit hard to understand for a non-medical person. The treatment section is weak.
"Sex and Back Pain" by Hebert is a no nonsense guide that shows you how protect your back and continue to enjoy a healthy sex life. Yes, there are pictures but if you are looking for pornography you will be disappointed.
"The Computers Survival Guide" by Joan Stigliani is a great ergonomics guide. She shows you how to configure your office correctly and thereby reduce repetitive stress problems.
"Sitting on the Job" by Scott W. Donkin is a comprehensive guide to use of correct posture and stress reduction in a work environment.