We end up with back pain from sitting in uncomfortable positions for long periods of time, and medical experts say a 20-year-old has the same spinal health as a 30- or 40-year-old. The age of cell phones and online work is hunchbacked this generation. Use a backrest lumbar pillow to prevent sagging. These pillows improve posture, relieve neck pain, and align your spine. Lumbar pillows are a...