Muscle injuries, nerve pain, and kidney inflammation can all cause lower left back pain. Learn about these causes and more. Medically reviewed by Anju Goel, MD Lower left back pain can be inconvenient ...

For the past five months, she had been tortured by pain boring into her back, an inch to the left of her spine. It was as if ...

I always knew that back pain was something a lot of people struggled with, but I never understood just how debilitating it could be—until I developed it myself. I was six months postpartum the first ...