A five-year study by researchers at Oxford University concluded that older people who showed vitamin B12 deficiencies has a six-fold increased risk of experiencing brain shrinkage, Professor David Smith pointing out that what a person eats may influence the rate of shrinkage of the brain as they age. Vegans and vegetarians may be a higher risk unless they obtain a good source of B-12 (as meat and dairy are the typical sources). And it’s not just the older population. A report from Centers for Disease Prevention and Control demonstrated that inadequate vitamin B12 may result in neurological impairment in children. More tomorrow.