Multiple sclerosis (MS) is a condition of the central nervous system. It affects the brain, optic nerves, and spinal cord. Symptoms of MS can include fatigue, loss of motor control, memory loss, depression, and cognitive difficulties.
According to the Mayo Clinic, signs and symptoms of MS vary widely based on the amount of nerve damage and which nerves are affected. Some people with severe MS may lose the ability to walk independently or at all, while others may experience long periods of remission without any new symptoms.
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