Alzheimer's disease is a progressive disorder that causes brain cells to degenerate and die. Alzheimer's disease is the most common cause of dementia. As the disease progresses, a person with Alzheimer's disease will develop severe memory impairment and lose the ability to carry out tasks.
Dementia is a syndrome in which there is deterioration in memory, thinking, behaviour and the ability to perform everyday activities. Worldwide, around 50 million people have dementia, and there are nearly 10 million new cases every year. It is loss of cognitive functioning.
A brain disorder is not an intellectual disability. Intelligence is usually not affected, although there are usually cognitive changes such as problems with memory, concentration and attention. It is also not a mental illness, although it can increase the chances of mental disorders such as depression and anxiety.
Spinal cord is a bundle of nerves carrying signals back and forth between your body and brain. It is protected by the vertebrae and any injury qualifies for spinal injury. Spinal cord disorders involve injuries, infections, a stopped blood supply, and compression by a fractured bone or a Tumor.
A demyelinating disease is any condition that results in damage to the protective covering (myelin sheath) that surrounds nerve fibers in your brain, optic nerves and spinal cord. Demyelination is often secondary to an infectious, ischemic, metabolic, or hereditary disorder or to a toxin (eg, alcohol, ethambutol).
Neurological disorders are infections of the central and peripheral nervous system. As it were the cerebrum, spinal line, cranial nerves, fringe nerves, nerve roots, autonomic sensory system, neuromuscular intersection, and muscles.
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