Nutrition is an important lifestyle factor that can modify the risk of future cognitive impairment
and dementia. Some, but not conclusive, evidence (mostly from observational studies and …

The vitamin D receptor (VDR) belongs to the nuclear receptor superfamily of transcription
factors. The VDR is expressed in diverse brain regions and has been implicated in the …

Background We aimed to comprehensively explore the associations between serum 25
(OH) D deficiency and risk of dementia and Alzheimer's disease (AD). Methods We …

African Americans have higher incidence of, and mortality from, many health-related
problems than European Americans. They also have a 15 to 20-fold higher prevalence of …

Although observational studies of health outcomes generally suggest beneficial effects with,
or following, higher serum 25-hydroxyvitamin D [25 (OH) D] concentrations, randomized …

Vitamin D3 has many important health benefits. Unfortunately, these benefits are not widely
known among health care personnel and the general public. As a result, most of the world's …

Observational studies, randomized controlled trials (RCTs), and Mendelian randomization
(MR) studies have yielded inconsistent results on the associations of vitamin D …

Background Higher vitamin D status has been suggested to have beneficial effects on the
brain. Objectives To investigate the association between 25-hydroxyvitamin D [25 (OH) D] …

Vitamin D may have multiple effects on the nervous system and its deficiency can represent
a possible risk factor for the development of many neurological diseases. Recent studies are …

Objectives To quantify the dose-response associations between tooth loss and risk of
cognitive impairment and dementia. Design Longitudinal studies that examined the …