Fiber Rich Diets May Increase Lung Function

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Analysis of NHANES Data Shows the Relationship Between Fiber and Lung Function

The National Health and Nutrition Examination Survey data was used to compare fiber intake and lung function. There were 1,921 adults who took the survey. Spirometry was used to accurately measure lung function rather than self reported measures and a diet recall was taken via an interview.  

It was found that adults with higher fiber consumption were more likely to have normal lung function compared to those who had lower fiber consumption. Specifically, fruit and vegetable intake was associated with greater lung function rather than the consumption of whole grains. Those with lower fiber intake had decreased lung function.

The findings for this study are important for the prevention of chronic diseases like COPD in patients with a history of smoking. Increasing fiber in the diet is a cost effective dietary intervention that can be utilized in those at risk for poor lung function. Furthermore, this study stresses the importance of encouraging fruit and vegetable consumption and fiber intake as part of a healthy diet for all populations because of its benefits.

Sources: 

Hanson C, Lyden E, Rennard S, et al. The relationship between dietary fiber intake and lung function in NHANES. Annals of the American Thoracic Society. 2016. doi:10.1513/AnnalsATS.201509-609OC

http://www.medpagetoday.com/Pulmonology/SmokingCOPD/55857?xid=nl_mpt_DHE_2016-01-27&eun=g411013d0r

(AG)

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