Multiple sclerosis (MS) is a condition that affects your brain and spinal cord. It damages the myelin sheath, the tissue that surrounds and protects your nerve cells. This damage blocks or slows down ...

The Marburg variant of multiple sclerosis is extremely rare but also the most severe. Life expectancy has been weeks or months, but advances in treatment have led to an improved outlook. Multiple ...

Multiple sclerosis is an autoimmune disease in which immune cells attack and destroy the protective myelin sheaths that surround nerve fibres, leading to neurological disturbances. Lymph node-like ...