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Vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D) concentration <50 nmol/l) is recognised as a public health problem globally. The present study details the prevalence and predictors of vitamin D deficiency in a nationally representative sample (n 3250) of Australian Aboriginal and Torres Strait Islander adults aged ≥18 years. We used data from the 2012-2013 Australian Aboriginal and Torres Strait Islander Health Survey (AATSIHS). Serum 25(OH)D concentrations were measured by liquid chromatography-tandem MS.

Early infancy oral vitamin D supplementation does not appear to reduce the development of early childhood allergic disease

When combined with physical activity, low-dose UVR may more effectively limit adiposity and modulate metabolic and immune pathways in iBAT

To our knowledge, this is the first study to show that the reported 25(OH)D concentration may be influenced by both age and assay type

Both human and murine studies report that multiple exposures to sub-erythemal UV radiation can increase the diversity of the gut microbiome

Emerging preclinical findings suggest that some sun exposure is necessary for optimal metabolic health

Here we review the metabolic effects of exposure to ultraviolet radiation, focusing on the effects of phototherapies

This review focuses primarily on the beneficial effects for human health of exposure to ultraviolet radiation

New initiatives to develop a standard reference method and the assignment of "true" values to samples provide a solution to these problems.

There are moderate associations between vitamin D status measured in prepuberty, adolescence, and early adulthood