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Your backbone, or spine, is made up of 26 bones called vertebrae. In between them are soft discs filled with a jelly-like substance. These discs cushion the vertebrae and keep them in place. As you ...

Add Yahoo as a preferred source to see more of our stories on Google. One day, everything is fine. The next day, you wake up to a radiating pain in your spine every time you cough, sneeze or twist ...