| | Conditions Treatments | Back Pain How many discs in the human back? The human spine contains 23 intervertebral discs, which sit between the vertebrae and act as cushions. Back Pain - Related Articles How to Attach a Temporary Tooth Cap What does the medical abbreviation approx mean? Activities to Do in a Teen Support Group Weight Loss with Lexapro Lung Irritation Due to Acid Reflux What if you cry too much? The Pro & Cons of Gastric Bypass