A 35-year-old woman suffered from back pain for years until a pain specialist found the real cause — her nervous system As featured in INSIDER, https://www.insider.com/back-pain-chronic-pain-caused-by-nervous-system-2023-8 Melissa Angle was a 35-year-old working mother of two when she began developing back pain. The pain slowly worsened month after month until it became so unbearable she could…