Association of Serum Homocysteine and Vitamin B12 with Different Grades of Cognitive Impairment in Alzheimer's Disease Patients.
BACKGROUND Studies have shown a relation between Vitamin B12 (B12) and cognitive impairment in Alzheimer's disease (AD). However, B12 levels do not indicate the severity of the disease. High homocysteine-induced neuroinflammation has been related to the pathogenesis of AD. AIM This study aimed to determine the correl...