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A neurodegenerative disease is caused by the progressive loss of neurons, in the process known as neurodegeneration. [ 2 ] [ 3 ] Neuronal damage may also ultimately result in their death . Neurodegenerative diseases include amyotrophic lateral sclerosis , multiple sclerosis , Parkinson's disease , Alzheimer's disease , Huntington's disease ...
Multiple sclerosis (MS) is a demyelinating neurodegenerative disease that does not have a confirmed cause, but is widely considered to be an autoimmune disease in nature. [117] It is indicated by demyelination of the nerves of the brain and spinal cord.
Childhood dementia is an umbrella group of rare, mostly untreatable neurodegenerative disorders that show symptoms before the age of 18. These conditions cause progressive deterioration of the brain and the loss of previously acquired skills such as talking, walking, and playing.
Many causes of dementia are neurodegenerative, and protein misfolding is a cardinal feature of these. [66] Other common causes include vascular dementia, dementia with Lewy bodies, frontotemporal dementia, and mixed dementia (commonly Alzheimer's disease and vascular dementia).
Examples of neurodegenerative disease include Alzheimer's disease, [14] Parkinson's disease, [15] and amyotrophic lateral sclerosis. [16] For example, multiple sclerosis (MS) is an inflammatory neurodegenerative disease where the body initiate an inflammatory reaction in the central nervous system, and causes damage to neurons.
Alzheimer's is a neurodegenerative disease typically found in people over the age of 65 years. Worldwide, approximately 24 million people have dementia; 60% of these cases are due to Alzheimer's. The ultimate cause is unknown. The clinical sign of Alzheimer's is progressive cognition deterioration.
The amendment would allow terminally ill people with a “neurodegenerative illness, disease, or medical condition”, and who are expected to die within a year, to qualify.
Alzheimer's disease (AD) is a neurodegenerative disease that usually starts slowly and progressively worsens. [2] It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1]