Friday, June 7, 2013

Fat, Fiber in Diet Linked with Asthma


People with asthma who eat a diet low in fat and high in fiber may be better off than those who eat less healthfully, a new study suggests.

In the study, people with severe asthma consumed five grams more of fat daily, and five fewer grams of fiber daily, compared with healthy people without the condition.

The data also showed that for every 10-gram increase in daily fat consumption, the odds of having severe asthma increased by 48 percent, even after the researchers took into account the total calories consumed. 

The findings show that "people with asthma may benefit from improving their diet to reduce fat and increase fiber intake," said study researcher Bronwyn Berthon, who studies medical biochemistry at the University of Newcastle in Australia.

Berthon cautioned that the study revealed an association, not a cause-and-effect relationship between diet and asthma. But animal studies have suggested that a higher fiber intake is beneficial for those with asthma, and randomized controlled trials should be done in people to see whether the findings hold up, she said.

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