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A medical condition where the myelin sheath, which surrounds nerves, is damaged. These nerves are responsible for the transmission of impulses to the brain. Damage to the myelin sheath results in muscle weakness, poor coordination and possible paralysis. Examples of…

Sickness, illness, or loss of health.

A highly contagious and sometimes fatal bacterial disease that causes mucous membrane inflammation, making breathing and swallowing difficult. Diphtheria can also cause swelling of the heart and nerves.