In the chronic neurological disease multiple sclerosis, CNS demyelination occurs.  This is demyelination in the central nervous system.  It is usually accompanied by spinal demyelination as well, meaning nerves in the spinal cord are also affected by the demyelination process.  Demyelination is when the myelin sheath on nerves is damaged due to the disease multiple sclerosis.  It occurs in other diseases as well.  While in other diseases demyelination can affect other nerves or nervous systems, in multiple sclerosis, the central nervous system and spinal cord are affected.  This makes the symptoms very widespread and hard to treat effectively.

When the central nervous system and the spinal cord are damaged, there tends to be effects on the entire body.  The brain will also be affected by the damage.  Some of the symptoms may be loss of eyesight, loss of balance, tingling or stinging sensations in the extremities or the face, temperature …