Normal" levels of vitamin B12 may not be enough to ward off dementia, according to researchers at University of California ...

The cut-off between normal and deficient vitamin B12 blood levels varies by lab, but anything lower than 200 or 250 pg/mL is ...

Researchers said the study's findings suggested the need for older adults to take supplements, even if their levels were ...

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

Your brain might not be getting enough B12 — even if your levels are considered "normal." A new study suggests that older ...

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

People who sit on the low or high side of normal vitamin B12 levels are still at risk of cognitive impairment, according to a ...

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

Even when within the normal range, lower levels of vitamin B12 may contribute to cognitive decline, according to a new study.

Researchers identify associations between B12 levels currently accepted as normal and markers of neurological injury or ...

A study found that B12 requirements may be too low for some people, putting them at risk for cognitive decline.