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Lower Levels Of Vitamin B-12 Linked To More Rapid Cognitive Decline In Older Adults

December 5, 2012: 12:00 AM EST
U.S. researchers have discovered a link between lower levels of vitamin B-12 and cognitive decline in the older adults. The study of 549 men and women grouped participants according to blood levels of vitamin B-12, and screened for dementia using a commonly applied test. They found that those with lowest levels of B-12 were more likely to suffer rapid cognitive decline over time. The researchers emphasized that the study did not show causation, but the associations raised concern that some cognitive decline may be the result of inadequate vitamin B-12 in older adults. They also noted that maintaining normal blood levels can be a challenge for older people, who may need B-12 fortified foods and supplements.
Martha Savaria Morris et al., "Vitamin B-12 and Folate Status in Relation to Decline in Scores on the Mini-Mental State Examination in the Framingham Heart Study", Journal of the American Geriatrics Society, December 05, 2012, © Morris et al, .American Geriatrics Society
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