• Multiple Sclerosis - Introduction
• Highlights
• Causes
• Risk Factors
• Prognosis
• Symptoms
• Diagnosis

Introduction

Multiple sclerosis (MS) is a neurological disease that involves the central nervous system (CNS), the nerves that comprise the brain and spinal cord. It has two major features:

• Destruction of myelin, a fatty insulation covering the nerve fibers, is the main characteristic of MS. The end results of this process, called demyelination, are multiple patches of hard, scarred tissue called plaques or lesions. Sclerosis comes from the Greek word skleros, which means hard.
• Damage of axons,...