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Vitamin D Seems To Lessen Lung Damage Among Long-Term Smokers

July 22, 2012: 12:00 AM EST
A 20-year U.S. study of 626 elderly white men found that vitamin D deficiency was closely associated with faster – and more severe – decline in lung function among smokers. Vitamin D levels were checked three times between 1984 and 2003. The researchers found no significant effect of vitamin D levels on lung function or lung function decline in the overall study population, which included both smokers and non-smokers. But they found that vitamin D seems to protect the lungs of smokers, probably because of "vitamin D's anti-inflammatory and antioxidant properties."
Nancy E. Lange et al., "Vitamin D deficiency, Smoking, and Lung Function in the Normative Aging Study", American Journal of Respiratory and Critical Care Medicine, July 22, 2012, © American Thoracic Society
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