Vitamin D reduces chances of developing pneumonia

Earlier studies showed vitamin D defends against infection.

In this study, doctors measured vitamin D levels in 1,421 men and women with healthy lungs at the start of the study. The average level of circulating vitamin D at that time was 43.5 nanomoles per liter of blood, which falls below the 50-nanomole optimal level, doctors said. After 10 years of follow up, compared to those with the lowest levels, men and women with the highest circulating levels of vitamin D were 61 percent less likely to have developed pneumonia at any time during the 10-year follow-up period.

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