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Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian adolescents and young adults

Vitamin D deficiency is a public health concern worldwide. Maintaining vitamin D sufficiency during growth periods is essential. We aimed to determine the prevalence and predictors of vitamin D deficiency in Australian adolescents and young adults.

Who gets asthma, and why?

Citation: Evans DJ, D Sly PD, Foster P, Donovan C. Who gets asthma, and why? Med J Aust. 2025;223(S10):S19-S23. Keywords: Asthma; Lung diseases;

Low serum 25-hydroxyvitamin D concentrations associate with non-alcoholic fatty liver disease in adolescents independent of adiposity

This paper examined the link between low serum Vitamin D levels and development of non-alcoholic fatty liver disease (NAFLD) in adolescents between 14 and 17...

Exposure to UV Wavelengths in Sunlight Suppresses Immunity. To What Extent is UV-induced Vitamin D3 the Mediator Responsible?

In experimental models, both vitamin D3-dependent and vitamin D3-independent pathways have been implicated in the mechanisms of UVR-induced systemic...

Narrowband UVB phototherapy for clinically isolated syndrome: A trial to deliver the benefits of vitamin D and other UVB-induced molecules

The PhoCIS trial provides a fresh approach to re-defining the reported associations of 25(OH)D levels with multiple sclerosis development and progression

Dietary Vitamin D Increases Percentages and Function of Regulatory T Cells in the Skin-Draining Lymph Nodes and Suppresses Dermal Inflammation

Dietary vitamin D3 increased the suppressive activity of regulatory T cells in the skin-draining lymph nodes, which are poised to suppress dermal inflammation

Virus infection and allergy in the development of asthma: What is the connection?

Information is accumulating which implicates airway inflammation resulting from respiratory viral infections, acting against a background of atopy.

IFNβ inhibits the development of allergen tolerance and is conducive to the development of asthma on subsequent allergen exposure

Data indicate a role for Interferonβ in linking viral infection and allergy

Expression of CYP24A1 and other multiple sclerosis risk genes in peripheral blood indicates response to vitamin D in homeostatic and inflammatory conditions

Although genetic and epidemiological evidence indicates vitamin D insufficiency contributes to multiple sclerosis (MS), and serum levels of vitamin D increase on treatment with cholecalciferol, recent metanalyses indicate that this vitamin D form does not ameliorate disease. Genetic variation in genes regulating vitamin D, and regulated by vitamin D, affect MS risk.

Smoking during pregnancy, vitamin C supplementation, and infant respiratory health

This article discusses the merits and potential shortcomings of a study reported previously showing that giving Vitamin C to women who smoked during...