Mindfulness-based stress reduction, a technique that combines yoga and meditation, has been found in some studies to relieve chronic low back pain, and researchers now say the therapy may save also save payers money. In a report published online last week in the journal Spine, researchers compared two so-called mind-body therapies — mindfulness-based stress reduction and cognitive behavioral therapy — with the usual care for chronic low back pain.  Mindfulness-based stress reduction is typically a group program with weekly sessions that cover such topics as mindful awareness...