Disc degeneration occurs both in degenerative disc disease and aging. Functional disorders include metabolic and degenerative disorders. Aortic stenosis can also be caused by rheumatic fever and degenerative calcification. This is the etiology of degenerative joint disease. Stem cells have been used to treat degenerative bone diseases. Adult male gorillas are prone to cardiomyopathy, a degenerative heart disease. He was sidelined with hallux rigidus, a degenerative arthritis in his toe. The Maternus Rehabilitation Clinic deals with rehabilitation for orthopedic, degenerative, and neurological conditions. Khan had been suffering from supranuclear palsy, a degenerative disease. The presence of amyloid fibrils in patients with degenerative diseases has been well documented. This biological difference occurs because women have more resistance to infections and degenerative diseases. It was thought to be an early form of dementia, a degenerative disease. The German Shepherd Dog is especially prone to developing degenerative myelopathy. The majority of patients with degenerative spondylolisthesis do not require surgical intervention. Leading producers actively developed new drugs, such as those for degenerative and geriatric diseases.