In conjunction with the classical functions of regulating intestinal, bone, and kidney calcium
and phosphorus absorption, as well as bone mineralization of vitamin D, the population …

Vitamin D and its active metabolites are important nutrients for human skeletal health. UV
irradiation of skin converts 7-dehydrocholesterol into vitamin D3, which metabolized in the …

Colorectal cancer (CRC) is the neoplasia that is most frequently associated with vitamin D
deficiency in epidemiological and observational studies in terms of incidence and mortality …

Sun exposure is a major environmental risk factor for skin cancers and is also an important
source of vitamin D. However, while experimental evidence suggests that vitamin D may …

The active vitamin D metabolite 1α, 25-dihydroxyvitamin D 3 (1, 25 (OH) 2 D 3) has
important regulatory actions in the gut through endocrine and probably also intracrine …

ОБОСНОВАНИЕ. В Российской Федерации отсутствуют широкомасштабные
одномоментные многоцентровые эпидемиологические исследования, оценивающие …

Vitamin D deficiency is very common and prescriptions of both assay and supplementation
are increasing more and more. Health expenditure is exponentially increasing, thus it is …

Objectives: Previous studies have shown that serum levels of vitamin D were lower in
attention deficit hyperactivity disorder (ADHD) children compared to healthy controls. The …

Vitamin D exerts its canonical roles on the musculoskeletal system and in the
calcium/phosphorus homeostasis. In the last years, increasing evidences suggested several …

Background In Russian Federation, there are no large-scale cross-sectional multicenter
epidemiological studies assessing the prevalence of vitamin D deficiency and insufficiency …