Background Numerous studies demonstrate associations between serum concentrations of
25-hydroxyvitamin D (25 [OH] D) and a variety of common disorders, including …

Abstract The 6th International Conference,“Controversies in Vitamin D,” was convened to
discuss controversial topics, such as vitamin D metabolism, assessment, actions, and …

Context Low vitamin D status is common and is associated with various common medical
conditions. Objective To support the development of the Endocrine Society's Clinical …

Over the past 100 years, many major breakthroughs and discoveries have occurred in
relation to vitamin D research. These developments include the cure of rickets in 1919, the …

Summary Background Vitamin D (VitD) has been shown to be important for the immune
response of the respiratory system, but the preventive and therapeutic effects of vitamin D …

Nutrients | Free Full-Text | Preventive Vitamin D Supplementation and Risk for COVID-19
Infection: A Systematic Review and Meta-Analysis Next Article in Journal Polyphenols …

UVR is a skin carcinogen, yet no studies link sun exposure to increased all-cause mortality.
Epidemiological studies from the United Kingdom and Sweden link sun exposure with …

Nearly four years after its first appearance, and having gone from pandemic to endemic, the
SARS-CoV-2 remains out of control globally. The purpose of this study was to evaluate the …

Active vitamin D [1, 25 (OH) 2D3—calcitriol] is a secosteroid hormone whose receptor is
expressed on all cells of the immune system. Vitamin D has a global anti-inflammatory effect …

Background: The COVID-19 pandemic has brought significant attention to the role of dietary
supplements, particularly Vitamin D, in enhancing immunity and possibly mitigating the …