Introduction Risk factors for Alzheimer’s disease (AD) affecting the rate of cognitive decline and brain shrinkage include nonmodifiable factors such as age, low education levels, and genetic factors, whereas modifiable risk factors have also been identified. One such modifiable risk factor is homocysteine (Hcy), an amino acid that is produced in the methylation cycle ofContinue reading “Vit B12, folate, homocysteine and Alzheimer’s disease”