Epidemiological studies suggest that higher serum 25-hydroxyvitamin D is associated with
lower risk for several cancers, including breast, prostate, colorectal, and lung cancers. To …

We summarized the current evidence on vitamin D and major health outcomes from
Mendelian randomization (MR) studies. PubMed and Embase were searched for original …

Background Randomised trials of vitamin D supplementation for cardiovascular disease and
all-cause mortality have generally reported null findings. However, generalisability of results …

Background Increased vitamin D levels, as reflected by 25-hydroxy vitamin D (25OHD)
measurements, have been proposed to protect against COVID-19 based on in vitro …

Daytime napping is a common, heritable behavior, but its genetic basis and causal
relationship with cardiometabolic health remain unclear. Here, we perform a genome-wide …

Background Vitamin D deficiency has been associated with type 1 diabetes in observational
studies, but evidence from randomized controlled trials (RCTs) is lacking. The aim of this …

Background Micronutrients play an essential role at every stage of the immune response,
and deficiencies can therefore lead to increased susceptibility to infections. Previous …

Background Observational studies and previous Mendelian randomization (MR) studies
have shown that genetically low 25-hydroxyvitamin D (25OHD) levels are associated with a …

Aim This study sought to investigate associations of 25‐hydroxyvitamin D (25 (OH) D)
metabolites with periodontitis and to assess causality using Mendelian randomization (MR) …

Vitamin D is a fundamental regulator of host defences by activating genes related to innate
and adaptive immunity. Previous research shows a correlation between the levels of vitamin …