If you haven't already experienced back pain, odds are that you will someday. In fact, up to 85% of people in the United States will deal with back pain at some point, per the American Association of ...

Left upper quadrant (LUQ) pain stems from conditions that affect organs like your spleen, kidney, or stomach. It's best to see a doctor if your LUQ pain worsens or lasts more than 48 hours. Treatment ...