Consumption of rich fibre linked with decrease of lung disease

Emobileclinic Researchers’corner

 Emobileclinic Reporter: Femi Fayomi

The importance of fibre in your diet has been discussed and stressed here. More studies are also of the same opinion . A new study has revealed the importance of fibre-rich diet in the prevention of diabetes, heart diseases and lung disease.  

Available data from the National Health and Nutrition Examination Surveys (NHANES), report on “The Relationship between Dietary Fiber Intake and Lung Function in NHANES,” among  adults showed that in the top quartile of fibre intake: 

• 68.3 percent had normal lung function, compared to 50.1 percent in the bottom quartile.

• 14. 8 percent had airway restriction, compared to 29.8 percent in the bottom quartile.

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In two important breathing tests, those with the highest fiber intake also performed significantly better than those with the lowest intake. Those in the top quartile had a greater lung capacity (FVC) and could exhale more air in one second (FEV1) than those in the lowest quartile. 

According to Corrine Hanson, an associate professor of medical nutrition at the University of Nebraska Medical Center, lung disease is an important public health problem, so it is important to identify modifiable risk factors for its prevention, he states further that apart from smoking, fibre has been identified as one of the preventive strategies against long disease. In fact, according to him, “increasing fiber intake may be a practical and effective way for people to have an impact on their risk of lung disease.” The study reviewed records of 1,921 adults, ages 40 to 79, who participated in NHANES during 2009 to 2010 conducted by the Centers for Disease Control andPrevention, this study combines interviews with physical examinations in gathering the data.

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It is interesting to know that beans are a high source of fibre containing more than 10 grams of fibre per cup serving. They have a great mixture of soluble and insoluble fibre, which helps the food keep move through your intestines.

Fiber consumption was calculated based on the amount of fruits, vegetables, legumes and whole grains participants recalled eating. Those whose diets included more than 17.5 grams of fiber a day were in the top quartile and represented the largest number of participants, 571. Those getting less than 10.75 grams of fiber a day were in the lower group and represented the smallest number of participants, 360.

Researchers adjusted for a number of demographic and health factors, including smoking, weight and socioeconomic status, and found an independent association between fiber and lung function. They did not adjust for physical activity, nor did the NHANES data allow them to analyze fiber intake and lung function over time- limitations acknowledged by the authors.

Previous studies had explained the beneficial effects of fiber and have shown that fiber reduces inflammation in the body, and the authors noted that inflammation underlies many lung diseases. Other studies have also shown that fiber changes the composition of the gut microbiome, and the authors said this may in turn reduce infections and release natural lung- protective chemicals to the body.

The study projects that further studies on the findings of this report is confirmed, Hanson believes that public health campaigns may one day “target diet and fiber as safe and inexpensive ways of preventing lung disease.”


Anals of America Thoracic Society 

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