What is the life expectancy of a person with motor neurone disease?

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Motor neuron disease(MND) is a rare disorder that causes sections of the nervous system to deteriorate over time. This causes muscle weakening and atrophy, which is typically noticeable.

Motor neuron disease, commonly known as amyotrophic lateral sclerosis (ALS), is a condition in which motor neurones, which are nerve cells in the brain and spinal cord, stop operating properly. Neurodegeneration is the term for this.

Motor neurones control important muscle activity, such as:

  • gripping
  • walking
  • speaking
  • swallowing
  • breathing

People with motor neuron disease will find some or all of these tasks increasingly challenging as the disease advances. They may become impossible at some point.


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What causes motor neurones to stop operating properly is unknown. There is a family history of either motor neuron disease or a related disorder called frontotemporal dementia in roughly 5% of cases. Familial motor neuron disease is the name for this condition. Faulty genes have been found as a substantial contributor to the development of the illness in the majority of these individuals.

What is the life expectancy of a person with motor neurone disease?

After diagnosis, persons with MND have a one to five-year life expectancy, with 10% living for ten years or longer. People with MND have a wide range of demands that vary from person to person.

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