What is chronic low back pain?What are the main signs and symptoms of chronic low back pain?How is chronic low back pain diagnosed?What are some of the main medical treatments for chronic low back pain?Have any supplements been studied for chronic low back pain?How could diet affect chronic low back pain?Are there any other treatments for chronic low back pain?What causes chronic low back pain?Is pain from chronic low back pain limited to the lower back region?When should I seek medical treatment for chronic low back pain?What is spinal stenosis?What is a herniated disc?