Less than 3 hyperintense flair foci in the brain is nonspecific and can be considered normal.. these are nonspecific and the differential includes idiopathic gliosis, early chronic small vessel ischemic changes, vasculitis, sequela of migraine or dem?

This lists possible causes and only.a Dr who has seen and examined you can help explain or elinimate some. If BP normal to low then not likely small vessel disease

The findings of nonspecific white matter lesions are quite common and your list contains some regular explanations. Other causes to add include prior head injury and smoking. Such outcomes should be clinically correlated with the symptoms which prompted the MRI. Discuss fully with your doctor.