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.
Wear and tear, poor posture, and incorrect body movements can also weaken the disc, causing disc degeneration. What Causes Degenerative Disc Disease? For some of us, degenerative disc disease is part of the natural process of growing older. As we age, our intervertebral discs can lose their flexibility, elasticity, and shock-absorbing characteristics. For others, degenerative disc disease can stem from an injury to the back. What Are the Symptoms?