Studies carried out in mice and published in the journal Nature Medicine, showed that a high-fibre diet could reduce inflammation in the lungs.
A team at the University of Lausanne in Switzerland showed that the high and low fibre diets altered the types of bacteria living in the guts of the mice. A high fibre diet changed the nutrients being absorbed from the gut, which in turn altered the immune system.
The researchers think that the shift to processed foods may explain why more people are developing asthma.
The researchers warn that although the effect of different diets is seen in the mice, more research is needed to see if this is also the case in people.
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