Vitamin D reduces pneumonia

Recent studies have highlighted a link between low levels of vitamin D and pneumonia in older adults living independently.

In this study, doctors measured vitamin D levels in 16,974 people, at least age 17, and compared their histories of pneumonia. After adjusting for seasonal differences, body mass index scores, smoking, lung, heart and other chronic diseases, researchers found that those with vitamin D levels below 30 nanograms per milliliter of blood (ng/mL) were 56 percent more likely to develop pneumonia compared to those whose vitamin D levels were 30 ng/mL or more. Doctors said that the optimal range may begin at 30 ng/mL rather than at 20 ng/mL for vitamin D.

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