How do multiple sclerosis and spinal injury affect the functioning of the nervous system? Please explain and show diagrams or graphs that illustrate the effect on the nervous system.



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Multiple sclerosis is an autoimmune disease that affects the brain and spinal cord. (NIH)

MS damages the myelin sheath that covers the nerve lines. This causes nerve signals going up to the brain or down to a destination site to slow down or stop altogether. In addition the resulting inflammation causes auto-immune attacks form the bodies immune system.


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