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Causal link reported between vitamin D deficiency and mortality risk

Vitamin D plays an important role in a person’s overall health, including building strong bonesTrusted Source and protecting your immune systemTrusted Source.

Although vitamin D is easily obtained through sun exposure and eating the right foods, it is possible to have a vitamin D deficiency.

A direct causal relationship between low vitamin D levels and an increased risk of death has been reported. The study, published in the Annals of Internal Medicine, used Mendelian randomisation to interrogate UK Biobank data.