1.   And if you have the mutation, they say your risk of disk disease triples.

2.   It may also be confused with degenerative spinal disk disease, a nerve entrapment syndrome or chronic Lyme disease.

3.   New research shows that a genetic abnormality causes a significant proportion of spinal disk disease.

4.   The system, an implant for people with degenerative disk disease in the lower spine, has been approved for use in several countries.