Vitamin D system comprises hormone precursors, active metabolites, carriers, enzymes, and
receptors involved in genomic and non-genomic effects. In addition to classical bone-related …

OBJECTIVES: To determine the association between maternal serum 25 (OH)-vitamin D
concentrations during a critical window of fetal neurodevelopment and behavioral …

Since its discovery during the epidemic of rickets in the early 1920s, the physiological effects
of vitamin D on calcium/phosphorus homeostasis have been thoroughly studied. Along with …

Over a billion people worldwide are affected by vitamin D deficiency. Although vitamin D
deficiency is associated with impaired cognition, the mechanisms mediating this link are …

Vitamin D has been investigated in association with cognitive function in older adults. It is
unclear whether hypovitaminosis D could be associated with Alzheimer's disease (AD). Our …

Alzheimer′ s disease (AD) is a progressive neurodegenerative disorder that accounts for
the major cause of dementia, and the increasing worldwide prevalence of AD is a major …

Vitamin D deficiency is prevalent throughout the world, and growing evidence supports a
requirement for optimal vitamin D levels for the healthy developing and adult brain. Vitamin …

Background Mild cognitive impairment (MCI), a common condition among the elderly, is
defined as a deterioration of memory, attention, and cognitive function that exceeds what …

Background Vitamin D deficiency has been implicated as a risk factor for dementia in
several cross-sectional studies. We tested the hypothesis that reduced plasma 25 …

Introduction Hypovitaminosis D has been associated with several chronic conditions; yet, its
association with cognitive decline and the risk of dementia and Alzheimer's disease (AD) …