Science today isn't the same as the science 2000 years ago was but some principles remain the same. The human knowledge constantly grows but with more knowledge there comes even more mysteries and unsolved questions, so science is always going forward.
Causes. The most common cause of a cervical herniated nucleus pulposus is gradual degeneration of the disc, attenuation (weakening) of the posterior annulus fibrosis, and subsequent protrusion of the nucleus pulposus into the spinal canal causing compression of the nerve root.
Hernias are caused by a combination of: 1  A weakness in the muscles or connective tissuesConnective tissue surround, support and may connect muscles, organs and other parts of your body, caused by a disruption in the bodyâs natural cycle of tissue breakdown and repair. 2  Increased pressure or strain on the weakened area.