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Vitamin D and its effects on glucose homeostasis, cardiovascular function and immune function
N El-Fakhri1, H McDevitt, M G Shaikh
1School of Medicine, University of Glasgow, Royal Hospital for Sick Children, Glasgow, UK.
Vitamin D deficiency is linked to issues with the heart, glucose, and immune system, particularly in children. However, evidence for vitamin D supplementation improving these functions is limited.
Area of Science:
- Endocrinology
- Immunology
- Cardiovascular Medicine
Background:
- Growing interest in non-skeletal effects of vitamin D.
- Vitamin D deficiency is hypothesized to impact diabetes, cardiovascular, and autoimmune diseases.
- Focus on pediatric populations for these non-skeletal effects.
Purpose of the Study:
- To review current knowledge on vitamin D's effects on cardiovascular function, glucose homeostasis, and immune function.
- To specifically examine these effects and the impact of deficiency in children.
- To assess the evidence for vitamin D supplementation in improving these functions.
Main Methods:
- Literature review of studies investigating vitamin D's role in non-skeletal health.
- Analysis of research focusing on cardiovascular, metabolic, and immune systems.
- Synthesis of findings related to vitamin D deficiency and supplementation, with emphasis on pediatric data.
Main Results:
- Strong association observed between vitamin D deficiency and abnormalities in cardiovascular, glucose, and immune systems.
- Evidence for vitamin D deficiency impacting these systems is substantial.
- Limited evidence supports vitamin D supplementation for functional improvement, especially in children.
Conclusions:
- Vitamin D deficiency is associated with cardiovascular, glucose, and immune dysfunction.
- The therapeutic benefit of vitamin D supplementation for these conditions, particularly in pediatric cases, requires further investigation.
- More research is needed to establish causal links and effective treatment strategies.
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