Answer is C: older pets
That will be mostly cancer or diseases of the degenerative kind.
Diseases are "degenerative" in natuture and when left untreated, they damage the body. In the extreme even simple diseases left untreated can cause death.
Examples of degenerative diseases include Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis (ALS), multiple sclerosis, Huntington's disease, and osteoarthritis. These conditions involve the progressive deterioration of cells or tissues in the body, leading to a decline in function over time.
ICD-9 codes are many and cover anything that can go wrong with the human body including degenerative joint diseases. Diseases of the musculoskeletal system are included in codes 710 to 739.
One of a group of hereditary degenerative diseases of the spinal cord or cerebellum. These diseases cause tremor, spasm, and wasting of muscle.
Degenerative uptake refers to the absorption of a tracer or substance in a biological tissue that indicates the presence of degenerative changes, often observed in imaging studies like PET scans. This uptake typically signifies areas of increased metabolic activity associated with conditions such as arthritis, neurodegenerative diseases, or other chronic conditions where tissue damage or degradation occurs. It helps clinicians assess the extent and progression of degenerative diseases.
Go to the related link(Fatty acids, lipid peroxidation and diseases) below for more information on this subject.
Degenerative changes occur when the spine makes manifestations on its own. This often results in serious and painful problems related to the back such as osteoporosis or scoliosis.
As people age, degenerative changes in the lens's proteins occur.
means as you get older your spine slowly deteriorates, degenerative changes are just that, changes to your spine as a result of aging (mostly).
They are both degenerative diseases which result in a shortened lifespan.
This range of disease includes degenerative diseases, infections, metabolic disorders, immunologic disorders, disorders of blood vessels, and physical injury.