
If you could visualize your nervous system, you would see an incredible branching structure that radiates from the spine and ultimately reaches all the parts of your body. Some of these nerves are long, including the sciatic nerve, which runs from the lower spine down into the legs. Sciatica is the name for a painful…

Elbow arthritis is a condition that causes pain when someone bends or straightens the elbow. Rheumatoid arthritis is the most common type; osteoarthritis and injuries to the elbow can also cause this kind of pain. Rheumatoid arthritis is a condition in which the joint lining swells, causing a narrowing of the joint space. This disease…