The study's findings suggested a need for older adults to take supplements, even if their B12 levels were considered "normal" ...

The latest research in the Annals of Neurology suggests that even B12 levels considered "normal" may still be linked to ...

It is noteworthy that B12 deficiency is also associated with cognitive impairment, memory loss, dementia, and psychosis.

Scientists have found that those with lower B12 levels had slower processing speed, and higher levels were associated with more biomarkers of neurodegeneration.