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This database contains 4 studies, archived under the term: "vitamin d deficiency"

Vitamin D and risk of cognitive decline in elderly persons

Background: To our knowledge, no prospective study has examined the association between vitamin D and cognitive decline or dementia.; Methods: We determined whether low levels of serum 25-hydroxyvitamin D (25[OH]D) were associated with an increased risk of substantial cognitive decline in the InCHIANTI population-based study conducted in Italy between 1998 and 2006 with follow-up assessments […]

A randomized controlled trial of high-dose vitamin D2 followed by intranasal insulin in Alzheimer’s disease

Poor vitamin D nutrition is linked with dementia, but vitamin D has not been tested in a randomized controlled trial (RCT) in Alzheimer’s disease (AD). Nasal insulin acutely improves cognition and vitamin D upregulates insulin receptor expression and enhances insulin action. In an RCT we examined the effect of high-dose vitamin D followed by nasal […]

Dietary intake of vitamin D and cognition in older women: a large population-based study

Background: Serum vitamin D concentrations are associated with global cognitive function among older adults. The benefits of vitamin D intake to treat or prevent cognitive impairment remain unknown. The objective of this cross-sectional study was to determine whether weekly dietary intake of vitamin D could be associated with global cognitive performance among older adults.; Methods: […]

Serum vitamin D deficiency as a predictor of incident non-Alzheimer dementias: a 7-year longitudinal study

Background: Hypovitaminosis D has been cross-sectionally associated with dementia and stroke. The objective of this longitudinal study was to determine whether serum vitamin D deficiency at baseline could predict the onset of non-Alzheimer dementias (NAD) within 7 years among older women.; Methods: Forty high-functioning older women (78.4 years, 76.4/82.0; median, 25th/75th percentile) from the EPIDOS […]

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