TheBadBackGuy.net The 5th Factor Contributing toNeck Pain, Back Pain, and Sciatica Dehydration or Inadequate Hydration! The intervertebral discs are made up of 85-90% water. Hydration is key! The 5 Factors Contributing to Neck Pain, Back Pain, and Sciatica: Dehydration or Inadequate Hydration The five factors contributing to neck pain, back pain, and sciatica are crucial, not only for our own edification but also for our overall understanding of how to best construct and/or follow a real and …