What Causes MS? Advertising revenue supports our not-for-profit mission.Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Multiple sclerosis (MS) is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged. Numbness or weakness in one or more limbs that typically occurs on one side of your body at a time, or the legs and trunk 2. MS is an autoimmune condition. It can slow them down, jumble them, send them the wrong way, or stop them getting through completely. Multiple sclerosis (MS) affects everyone differently. But ongoing research shows that from your genes, to where you live, to the air you breathe, there are many factors in play. It's not caused by anything you have done and it's not clear whether it can be prevented. Doctors dont know why, but something tells your immune system to attack your body. Multiple sclerosis is a chronic disease that affects the central nervous system, especially the brain, spinal cord, and optic nerves. This disruption leads to the symptoms and signs of MS.When the inflammation goes away, it can leave behind scarring of the myelin sheath (sclerosis). When the protective myelin is damaged and the nerve fiber is exposed, the messages that travel along that nerve fiber may be slowed or blocked.These factors may increase your risk of developing multiple sclerosis:Mayo Clinic does not endorse companies or products. In multiple sclerosis, the protective coating on nerve fibers (myelin) is damaged and may eventually be destroyed. What's known so far suggests it's caused by a combination of genetic and environmental factors. Exactly why someone develops multiple sclerosis (MS) isn't known. Electric-shock sensations that occur with certain neck movements, especially bending the neck forward (Lhermitte sign) 3. What's known so far suggests it's caused by a combination of genetic and environmental factors.MS is an autoimmune condition, which means your immune system mistakes part of your body for a foreign substance and attacks it.In the case of MS, it attacks the myelin sheath in the brain and spinal cord. Multiple sclerosis is a medical condition that is characterized by the disability of the nervous system; it is a demyelinating disease that takes place when the immune system attacks the insulating covers of the nerve cells in the brain and spinal cord (called myelin) and damages them and this leads to problems in communication between the brain and the body. Its job is to protect them like the plastic that wraps around the wires in your phone charger. Doctors still don't understand what causes multiple sclerosis. A single copy of these materials may be reprinted for noncommercial personal use only. With MS, the focus is on myelin, a fatty substance that covers the nerve fibers in your brain and spinal cord. In multiple sclerosis, the body’s own immune system attacks the central nervous system (CNS) and causes damage, which slows or stops nerve transmission. Learn about possible multiple sclerosis causes as … This is the layer that surrounds your nerves, protecting them and helping electrical signals travel from the brain to the rest of the body.The attacks cause the myelin sheath to become inflamed in small patches (plaques or lesions), which can be seen on an These patches of inflammation can disrupt the messages travelling along the nerves. Symptoms often affect movement, such as:See a doctor if you experience any of the above symptoms for unknown reasons.Small increases in body temperature can temporarily worsen signs and symptoms of The worsening of symptoms usually includes problems with mobility and gait. The rate of disease progression varies greatly among people with secondary-progressive The cause of multiple sclerosis is unknown. All rights reserved. This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems. Multiple sclerosis signs and symptoms may differ greatly from person to person and over the course of the disease depending on the location of affected nerve fibers. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research.
It's considered an autoimmune disease in which the body's immune system attacks its own tissues. Explore information about multiple sclerosis symptoms, causes, and treatments from our medical experts, editors, and real people, all on SELF.
Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. This can lead to a wide range of symptoms throughout the body. When myelin is m… In the case of Myelin can be compared to the insulation coating on electrical wires. The severity of the disease and the types of symptoms vary from person to person. This creates a lesion that, depending on the location in the central nervous system, may cause symptoms such as numbness, pain or tingling in parts of the body.Multiple sclerosis signs and symptoms may differ greatly from person to person and over the course of the disease depending on the location of affected nerve fibers. However, treatments can help speed recovery from attacks, modify the course of the disease and manage symptoms.In multiple sclerosis, the protective coating on nerve fibers (myelin) in the central nervous system is damaged. Depending on where the nerve damage occurs, Multiple sclerosis (MS) is a potentially disabling disease of the brain and spinal cord (central nervous system).There's no cure for multiple sclerosis. Symptoms often affect movement, such as: 1. © 1998-2020 Mayo Foundation for Medical Education and Research (MFMER).
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multiple sclerosis causes