Multiple sclerosis - Symptoms and causes - Mayo Clinic
It's also known as MS. In MS, the immune system attacks the protective sheath that covers nerve fibers, known as myelin. This interrupts communication between the brain and the rest of the body. Eventually, the disease can cause permanent damage of the nerve fibers.

Multiple sclerosis - Wikipedia
Multiple sclerosis (MS) is an autoimmune disease resulting in damage to myelin, which is the insulating covers of nerve cells in the brain and spinal cord. [1] .

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 issues. While there isn’t a cure, treatment options can help you manage symptoms and slow disease progression.

Multiple Sclerosis (MS): Early Warning Signs and Symptoms
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 relapsing-remitting...

Multiple Sclerosis (MS) - National Institute of Neurological Disorders ...
Multiple sclerosis (MS) is a chronic neurological disorder. It’s an autoimmune disorder, meaning that in MS, the immune system—which normally protects us from viruses, bacteria, and other threats—mistakenly attacks healthy cells. MS symptoms usually begin in young adults, between ages 20 and 40.

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.

Multiple Sclerosis | MS | MedlinePlus
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.

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.

Understanding Multiple Sclerosis (MS) - Healthline
Multiple sclerosis is a chronic condition of the central nervous system. Learn the causes and types of MS, common symptoms, and treatments.

Multiple sclerosis - World Health Organization (WHO)
MS is an inflammatory demyelinating condition that results from an autoimmune attack on myelin, the fatty insulation that surrounds the nerves in the brain and spinal cord.