The disks in your spine, called intervertebral disks, are thin, oblong structures that serve as cushions between the bones of your back (vertebrae). Each disk is made of a soft gel core surrounded by a tough, fibrous outer shell. This structure allows the disk to be firm enough to maintain the space between the vertebrae, but soft enough to compress when the spine flexes during bending, leaning and turning sideways.
In some people, mostly middle-aged adults, a disk's tough...
Read moreSource: HealthCentral Encyclopedia
Discomfort, aching or stiffness concentrated in the lower back, resulting in the impairment of physical activity.At least once in their lives, about... Read more »
Source: ADAM Encyclopedia
A herniated (slipped) disk occurs when all or part of a spinal disk is forced through a weakened part of the disk. This places pressure on nearby... Read more »
Source: ADAM Encyclopedia
Cluster HeadachesCluster headaches are among the most painful, and least common, of all headaches. The pain can be so excruciating that they are... Read more »
Source: ADAM Encyclopedia
Many patients report a delay of 1 - 6 years in the diagnosis of their cluster headaches. Migraine-like symptoms (light and sound sensitivity, aura,... Read more »
Source: ADAM Encyclopedia
CausesCluster headaches, like migraines, are likely due to an interaction of abnormalities in the blood vessels and nerves that affect regions in the... Read more »