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Vitamin D Deficiency Among Seniors Linked To Cognitive Decline

April 22, 2014: 12:00 AM EST
A U.S. study adds to the mounting evidence that vitamin D deficiency in seniors is associated with cognitive decline over time. The researchers looked at 2,777 well-functioning adults aged 70 to 79 whose cognitive performance was measured at the start of the study and again four years later. Vitamin D levels were measured at the 12-month follow-up visit. Low vitamin D was associated with worse cognitive performance on one of the two cognitive tests used. The researchers were careful to point out they could not determine a direct cause-and-effect relationship, but there was enough associative data to support a campaign to increase vitamin D supplementation among the elderly.
Valerie K. Wilson et al., "Relationship Between 25-Hydroxyvitamin D and Cognitive Function in Older Adults: The Health, Aging and Body Composition Study. ", Journal of the American Geriatrics Society, April 22, 2014, © Wilson et al.
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