Introduction: All epidemiological studies suggest that vitamin D deficiency is prevalent
among the Polish general population. Since vitamin D deficiency was shown to be among …

Vitamin D deficiency has a high worldwide prevalence, but actions to improve this public
health problem are challenged by the heterogeneity of nutritional and clinical vitamin D …

Vitamin D testing and the use of vitamin D supplements have increased substantially in
recent years. Currently, the role of vitamin D supplementation, and the optimal vitamin D …

Unexpected isolation, which has not yet been seen on a global scale, has created the
conditions for evaluating nutrition in a situation of reduced spatial activity. The study aimed …

This article aims to alert the medical community and public health authorities to
accumulating evidence on health benefits from sun exposure, which suggests that …

Abstract The coronavirus disease 2019 (COVID-19) pandemic was declared a public health
emergency of international concern by the World Health Organization. COVID-19 has high …

Vitamin D (VD) is a pro-hormone that has long been known as a key regulator of calcium
homeostasis and bone health in both children and adults. In recent years, studies have …

Vitamin D deficiency frequently occurs in older people, especially in individuals with
comorbidity and polypharmacotherapy. In this group, low vitamin D plasma concentration is …

Background Obesity is related to changes in adipokine secretion, activity of adipose tissue
macrophages, helper T cells, and regulatory T cells. It has been confirmed that vitamin D has …

Background: Meta-analyses of randomized controlled trials have shown that vitamin D
supplementation reduces cancer mortality by 13%. Vitamin D fortification of foods may …