Sclerosis (medicine) - Wikipedia Sclerosis (from Ancient Greek σκληρός (sklērós) 'hard') is the stiffening of a tissue or anatomical feature, usually caused by a replacement of the normal organ -specific tissue with connective tissue
Multiple sclerosis - Symptoms and causes - Mayo Clinic Multiple sclerosis is a disease that causes breakdown of the protective covering of nerves Multiple sclerosis can cause numbness, weakness, trouble walking, vision changes and other symptoms
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 explained: Symptoms, risk factors and treatments Multiple sclerosis (MS) is one of the most common autoimmune diseases affecting the brain and spinal cord, with 2 9 million people estimated to be living with the disease worldwide As MS is an autoimmune disease, damage is caused by inappropriate actions of the body's infection-fighting (immune) cells
Multiple Sclerosis (MS) - Johns Hopkins Medicine 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 When the nerves are damaged in this way, they can’t conduct electrical impulses normally to and from the brain
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