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 …

To evaluate the effect of vitamin D 3 supplementation on cancer mortality in the general
population and on prognosis in cancer patients, a systematic review and meta-analysis of …

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

This is a narrative review of the evidence supporting vitamin D's anticancer actions. The first
section reviews the findings from ecological studies of cancer with respect to indices of solar …

Twenty of the last one hundred years of vitamin D research have involved investigations of
the brain as a target organ for this hormone. Our group was one of the first to investigate …

Recent research activities have provided new insights in vitamin D metabolism in various
conditions. Furthermore, substantial progress has been made in the analysis of vitamin D …

Vitamin D is essential for life—its sufficiency improves metabolism, hormonal release,
immune functions, and maintaining health. Vitamin D deficiency increases the vulnerability …

Both 25-autoimmunity and (25 (OH) D: calcifediol) and its active form, 1, 25-dihydroxyvitamin
D (1, 25 (OH) 2D: calcitriol), play critical roles in protecting humans from invasive pathogens …

The interrelationships among vitamin D, tobacco smoking, and hypertension are currently
unknown. This study was conducted to determine the relationship between vitamin D levels …

Pathogenic mutations of CYP24A1 lead to an impaired catabolism of vitamin D metabolites
and should be considered in the differential diagnosis of hypercalcemia with low parathyroid …