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Can vitamin D impact mortality?

This meta-analysis suggests that if it does, the effect size on all-cause mortality is pretty darn small. However, supplementation may reduce the risk of dying from cancer.

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Study under review: Association between vitamin D supplementation and mortality: systematic review and meta-analysis

Introduction

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Who and what was studied?

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What were the findings?

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What does the study really tell us?

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The big picture

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Frequently asked questions

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