The Quiet Crisis of Vitamin B12: A Wake Up Call for Ageing Brains A recent study from the University of California San Francisco has highlighted a potentially insidious threat to older adults' brain health.
For decades, scientists have accepted that meeting the minimum vitamin B12 threshold is enough to safeguard brains against cognitive decline. However, this comforting narrative may be nothing more than a myth.
Researchers published their findings in Annals of Neurology, focusing on 231 healthy participants with an average age of 71. These individuals had B12 levels well above the US minimum cutoff of 148 pmol/L.