Does every herniated disc cause a problem?
Definitely not! By age 50, two-thirds of us will have one or more bulging discs. This is a normal part of the aging process. A bulging or herniated disc does not cause a problem unless it is pressing against something else, usually a nerve root. The nerve roots are located directly behind the discs, and a herniated disc may cause a nerve root to be stretched, or to be pinched against bone. It is this pinching of the nerve that can cause pain, numbness, or weakness in the leg, and in some instances, trouble with bowel or bladder function. It is interesting to note that many people with a herniated disc and a pinched nerve problem may have little or no back pain, and most back pains are not caused by herniated discs. The most important part of diagnosing a herniated disc problem is the physical examination performed by your doctor. Tests such as the MRI scan can be extremely helpful, but remember, since bulging discs are very common, and most don’t cause any problem, the MRI can be misle