Researchers from the University of Auckland used data from a U.S. government health survey to examine a link between vitamin D levels and lung function. Researchers found that adults with the highest vitamin D levels showed better lung function than those with low blood levels of the vitamin.
The difference in lung function was most prominent among former smokers and nonsmokers. These findings may have important consequences for people with serious respiratory conditions.
Researchers speculate that vitamin D�s influence over lung function is a result of its role in the growth of a variety of cells, therefore contributing to the repair and growth of lung tissue. Before vitamin D can be recommended as a supplement to help with lung function, further studies are needed.
Vitamin D is synthesized when skin is exposed to sunlight. It can also be obtained through food sources such as fortified milk and cereals and certain types of fish including salmon and tuna.
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