
Given the prevalence of back pain, you would think we'd have treatment for it down pat. Not even close. "The challenge is that you can't see injuries to tendons, ligaments, and muscles the way you can bone fractures and herniated disks," Despite diagnostic advances, doctors can't pinpoint an exact cause for as many as 85 percent of back problems, which makes them tricky to treat. Spinal manipulation, for example, is controversial -- some docs...