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Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian Aboriginal and Torres Strait Islander adults

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.

Vitamin D metabolites are lower with active Crohn’s disease and spontaneously recover with development of remission

We aimed to characterise vitamin D metabolism in a cohort of patients with active and inactive Crohn’s disease

High Vitamin D-Binding Protein Concentration, Low Albumin, and Mode of Remission Predict Relapse in Crohn's Disease

Associations between Vitamin D-binding protein, serum Vitamin D, and the calculated free Vitamin D concentrations with the risk of Crohn's disease flare

25-hydroxyvitamin D status of pregnant women is associated with the use of antenatal vitamin supplements and ambient ultraviolet radiation

Vitamin D deficiency in a predominantly white Caucasian cohort of pregnant women is less prevalent than has been reported in other studies

The current state of play of rodent models to study the role of vitamin D in UV-induced immunomodulation

Ultraviolet radiation (UVR) from sunlight is immunomodulatory and the main source of vitamin D for humans.

Asthma

One in eight children have asthma, a chronic disease of the airways in the lungs. It results in shortness of breath, chest tightness, wheezing and coughing.

High-dose intramuscular Vitamin D provides long-lasting moderate increases in serum 25-hydroxVitamin D levels and shorter-Term changes in plasma calcium

Intramuscular injection of a large bolus of Vitamin D effectively increases serum 25-hydroxyVitamin D levels without evidence of metabolic abnormality.

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;

Maternal vitamin D status during pregnancy and bone mass in offspring at 20 years of age: A prospective cohort study

This longitudinal, prospective study investigated the association between maternal vitamin D status and peak bone mass of offspring in 341 mother and...

Research symposium to hear how sunscreens proved no threat to vitamin D production in recent European study

Leading international and national experts will gather at The Kids Research Institute Australia on Friday for a D-Light Research Symposium.