This short guide is a resource to help people with multiple sclerosis (MS) understand how they can keep their brains as healthy as possible and request the highest possible standard of care from healthcare professionals. It explains how people with MS can put into practice the recommendations from the report Brain health: time matters in multiple sclerosis. This guide and the report were authored by an international group of people with insight into the reality of living with MS. The group included people with MS, representatives from patient organizations, clinicians, researchers, specialist nurses and health economists. Read on.