Relation of serum levels of homocysteine, vitamin B12 and folate to cognitive functions in multiple sclerosis patients.

Background: Hyperhomocysteinemia, vitamin B12 and folate deficiency have been linked to cognitive dysfunction in multiple sclerosis (MS) patients.

Objective: This study aimed to investigate the relation of serum homocysteine (Hcy), vitamin B12 and folate to cognitive functions in MS patients.

Subjects And Methods: Forty-five MS patients and twenty matched healthy controls were included.