Vitamin D Mortality Risk Conclusions Strengthened

Recent observational studies have indicated that higher vitamin D levels are associated with reduced risk for dementia, the risks of death due to cardiovascular disease, cancer, and other causes, independent of country, sex, and season. Yet there has been an underlying current of criticism harping on the potential flaws in what is known as confounding, reducing the significance of the findings. In a new observational study conducted in Denmark, researchers set out to test the hypothesis that genetically low vitamin D concentrations correlate with increased mortality. And they found that genetically low 25-hydroxyvitamin D concentrations are causally associated with cancer and other mortalities. Thus, this study established a counter-bias that significantly de-confounded the results, and helped arrest the thrust of the criticism.

For more information on Vitamin D, please see article on page 11.

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