Liver blood tests are some of the most commonly performed blood tests. These tests can be used to assess liver functions or liver injury. An initial step in detecting liver damage is a simple blood test to determine the level of certain liver enzymes (proteins) in the blood.
1 Degeneration (deterioration) of the disc makes the disc more susceptible to herniation (rupture), which can lead to localized or radiating pain. 2  Sciatica can result from disc herniation ( ruptured disc ) when nerves in the low back are irritated.
Types of Degenerative Disc Disease. Degenerative disc disease (DDD) can produce damaging change in your neck (cervical spine), middle of your back (thoracic spine) or your lower back area (lumbar spine).The problems you have will depend, in part, on the type of DDD you experience.ypes of Degenerative Disc Disease. Degenerative disc disease (DDD) can produce damaging change in your neck (cervical spine), middle of your back (thoracic spine) or your lower back area (lumbar spine). The problems you have will depend, in part, on the type of DDD you experience.