Although a violent injury can damage a disk, problems with disks are often brought on by the normal aging process or by everyday activities, such as lifting heavy objects the wrong way, stretching too hard during a tennis volley, or slipping and falling on an icy sidewalk.
HOPLOPHOBE. A person who is afflicted with an irrational fear of firearms. Being averse to firearms since the shooting incident, they lobbied for more bans of all firearms citing the firearm's evil characteristics as reasons for the control measures.
From h(omeob)ox. noun. Any of a group of homeobox genes that exist as clusters in animals, especially in vertebrates, and determine the identity and locations of body parts along the anterior-posterior body axis in a developing fetus or larva. Origin of Hox gene.