Cognitive impairment has been reported at all phases and all subtypes of multiple sclerosis (MS). The severity and type of cognitive impairment varies among individuals and can be observed both in early and in later stages. We should promote primary prevention of cognitive decline, in part through interventions and healthy lifestyles that promote brain maintenance.
MRI is a test that provides images of the body (brain and spinal cord in MS) using strong magnetic field and radio waves, but not radiation. It allows earlier diagnosis and treatment, as well as monitorization of the progression of MS by keeping track of any new lesions that may have occurred since initial diagnosis.
Approximately 85% of people diagnosed with multiple sclerosis present a relapsing-remitting disease course. This means that symptoms of a clinical relapse typically arise over days, worsen over several weeks and then gradually subside over several weeks or months.