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  1. Multiple sclerosis - Symptoms and causes - Mayo Clinic

    Nov 1, 2024 · Multiple sclerosis is a disorder in which the body's immune system attacks the protective covering of the nerve cells in the brain, optic nerve and spinal cord, called the …

  2. Multiple Sclerosis (MS): Early Warning Signs and Symptoms

    May 9, 2024 · People with multiple sclerosis (MS) tend to have their first symptoms between the ages of 20 and 40. Early on, the symptoms get better, but then they come back. This is called …

  3. Multiple Sclerosis (MS): What It Is, Symptoms & Treatment

    Multiple sclerosis (MS) damages the protective cover around nerves called myelin in your central nervous system. It can cause muscle weakness, vision changes, numbness and memory …

  4. Multiple sclerosis - Wikipedia

    MS is the most common immune-mediated disorder affecting the central nervous system (CNS). [23] In 2020, about 2.8 million people were affected by MS globally, with rates varying widely …

  5. What is Multiple Sclerosis? | National MS Society

    Multiple Sclerosis, or MS, is a complex disease that affects countless individuals around the world. Learn what causes MS, the different types of MS, and more.

  6. Multiple Sclerosis - National Institute of Neurological Disorders …

    Multiple sclerosis (MS) is a chronic neurological disorder. It is an autoimmune disorder, meaning that in MS the immune system—which normally protects us from viruses, bacteria, and other …

  7. Multiple Sclerosis | MS | MedlinePlus

    Jun 1, 2021 · Multiple sclerosis (MS) slows down or blocks messages between the brain and body. MS can be mild or severe. Learn about MS symptoms and treatment.

  8. Understanding Multiple Sclerosis (MS) - Healthline

    May 9, 2025 · Multiple sclerosis (MS) is a chronic condition involving your central nervous system (CNS). With MS, your immune system attacks myelin, which is the protective layer around …

  9. Multiple Sclerosis (MS) - Johns Hopkins Medicine

    Multiple sclerosis (MS) is a long-lasting (chronic) disease of the central nervous system. It is thought to be an autoimmune disorder, a condition in which the body attacks itself by mistake.

  10. MSAA - Multiple Sclerosis Association of America

    Jun 10, 2025 · Multiple sclerosis (MS) is an autoimmune disease affecting the central nervous system. A variety of symptoms are possible, often beginning with periods of flare-ups and …