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Vitamin D Deficiency Associated With More Rapid Decline In Cognitive Abilities

September 14, 2015: 12:00 AM EST
Elderly people who are vitamin D deficient experience declining cognitive levels three times faster than those with adequate vitamin D levels, a U.S. study among 400 racially and ethnically diverse men and women has found. Participants were either cognitively normal, had mild cognitive impairment, or dementia. Insufficient vitamin D levels were associated with faster declines in mental performance, particularly in areas like executive function and memory loss associated with Alzheimer’s disease and dementia. The findings provide enough evidence to recommend that people in their 60s and older discuss taking a daily vitamin D supplement with their physicians.
Charles DeCarli et al., " Vitamin D Status and Rates of Cognitive Decline in a Multiethnic Cohort of Older Adults. ", JAMA Neurology, September 14, 2015, © American Medical Association
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