Mild atrophy with fairly prominentperiventricular and subcortical nonspecific white matter changes. chronic. what does this mean?

See below: These findings are not uncommon in older persons. They are nonspecific but are more frequently related to chronic small vessel ischemic disease from diabetes or hypertension. The more severe the findings, the more likely they may be related to future development of vascular dementia. If the findings are in a young person, they could be from mutlple sclerosis or other causes & need further eval.