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.
Degenerative disc disease is what occurs as typical age-related changes occur to the spinal discs. It can also be the result of obesity, years of heavy physical labor involving lifting, smoking, and sudden incidents such as an auto accidents or a fall. When the discs wear out, the space between the vertebrae becomes narrower, compressing the nerves and causing pain in the neck or back.