SpineUniverse, founded in 1999 by Dr. Stewart Eidelson (an orthopaedic spine surgeon), is now the most-visited spine site on the web. The website provides online and offline resources for both patients and spine professionals on a variety of spinal disorders, including osteoarthritis, inflammatory arthritis, osteoporosis, and chronic pain. SpineUniverse helps patients and their families understand their back or neck problems with clear, straightforward explanations about what causes spinal problems and how they can be treated.