Normal Vitamin B12 Levels May Still Be Too Low for Brain Health

By George Citroner Older adults with vitamin B12 levels currently considered normal may still face cognitive decline and brain damage, according to a new study. Participants with lower—yet technically acceptable—B12 levels showed measurable brain white matter damage and slower cognitive processing, prompting researchers to call for a reevaluation of what constitutes “healthy” B12 levels in […]