Separating each spinal vertebra is a disc. Its fibrous outer ring holds in a jelly-like material. Because of the way a disc attaches to the spinal bones above and below it, it can't actually "slip." However, a disc can bulge, tear, herniate, thin and collapse. But it can't slip.

Many people think of chiropractic as exclusively dealing with the spine. But I'm interested in the spine because it covers the nervous system. Problems in the spine can produce problems in the organs and tissues controlled by the affected nerves—including those to the lungs and bronchial tubes. Find out how chiropractic care has helped those with asthma.