Vitamin D status and caries associated?

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Data from a cohort of children (6-11 years old) participating in the Canadian Health Measures Survey (CHMS) suggests an association between vitamin D status and dental caries. Children with 25(OH)D concentrations ≥75 nmol/L had a 39% lower odds of having experienced caries.

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Higher risk of vitamin D deficiency for people with learning disabilities

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To date there has been little research on vitamin D deficiency in people with learning disabilities. In this debut blog by Brant Cebulla, we look at a new case control study which sets out to answer some key questions and consider areas for further research.

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Vitamin D deficiency in psychosis: our current (limited) understanding according to the latest meta-analysis.

Get ready to amend your dopamine hypothesis and stop trying to wrap your neurons around the role of glutamate in the brain.  The rising star of the neurobiological schizophrenia literature is…. Vitamin D.  Yes, really. The more sceptical amongst you (including me) may feel that finding a vitamin deficiency in psychosis patients is perhaps not [read the full story…]

New systematic review suggests a relationship between vitamin D and depression

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Vitamin D is involved in many brain processes, including having a regulatory role of the nervous system and influencing general brain development. These known functions have raised a long held question, might vitamin D deficiency be associated with depression? Some studies have shown a strong relationship between vitamin D and depression, while others have shown [read the full story…]

Review revisits old evidence linking vitamin D and dental caries and suggests there may be a benefit

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A link between vitamin D and dental caries was suggested back in the 1920s as it has an important role in calcium and phosphate metabolism.  The aim of this study was to review the available trial data on supplementation with vitamin D for dental caries prevention compared with no such supplementation, in any population. The [read the full story…]

Can vitamin D supplementation help relieve the symptoms of depression?

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This week in The British Journal of Psychiatry, researchers in Norway have published results from their randomised controlled trial studying the effects of vitamin D on depressive symptoms in otherwise healthy adults. The study, directed by Dr Marie Kjaergaard and a team of doctors out of the University Tromsø in Norway, found that vitamin D [read the full story…]

Can vitamin D supplementation improve mental well-being?

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There are a number of epidemiological studies that suggest a clear relationship between levels of vitamin D in the body and mental well being, but to date there has not been a large scale randomised controlled trial that proves that vitamin D supplementation (serum 25-hydroxyvitamin D levels) can improve mental health. An Australian research team [read the full story…]