Multiple sclerosis - Symptoms and causes - Mayo Clinic
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 myelin sheath. And this sheath is often compared to the insulation on an electrical wire.

Multiple Sclerosis Symptoms: Early Signs, Types, and Care
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 ...
MS symptoms usually begin in young adults, between ages 20 and 40. MS affects people differently. A small number of people with MS will have mild symptoms with little disability, but others will experience worsening symptoms that will lead to increased disability over time.

Multiple sclerosis - Wikipedia
Multiple sclerosis (MS) is an autoimmune disease in which the immune system attacks myelin, the insulating cover of nerve cells, causing damage to the central nervous system. This impairs the nervous system's ability to transmit signals. Symptoms can be physical and mental, [1][2] including double vision, vision loss, eye pain, muscle weakness, and loss of coordination. [2] While its cause is ...

Multiple Sclerosis (MS): What It Is, Symptoms & Treatment
Multiple sclerosis (MS) is an autoimmune condition that affects your brain and spinal cord (central nervous system). Policy. With MS, your immune system mistakenly attacks myelin cells. These are the protective covers (sheaths) that surround your brain and spinal cord nerves.

4 Early Signs of MS You Shouldn’t Ignore
Like many diseases, multiple sclerosis (MS) affects everyone differently, bringing symptoms that can range from mild to severe. This autoimmune condition affects your central nervous system, causing issues like muscle weakness, vision changes, numbness and memory issues.

Multiple Sclerosis (MS): Causes, Symptoms, and Diagnosis - WebMD
MS is a chronic, or long-lasting, disease that can affect your brain, spinal cord, and the optic nerves in your eyes. It can cause problems with vision, balance, muscle control, and other basic...

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) - Johns Hopkins Medicine
Myelin is a protein and fatty substance that surrounds and protects nerve fibers. In MS, the immune system attacks the myelin, which becomes destroyed in many areas. This loss of myelin forms scar tissue called sclerosis. These areas are also called plaques or lesions.

Multiple sclerosis (MS): Types, symptoms, and causes
Multiple sclerosis is a long-term disease that attacks the central nervous system. Learn more about MS here.