From grandmas to worldwide physicians , plenty of people extoll the virtues of fiber . inquiry prove that a fibre - rich dieting — with quite a little of fruits , veggies , and whole grains — could stave off conditions like heart disease , stroke , and diabetes , but nobody knows precisely why dietary fiber ( the indigestible portion of plant life foods ) is so estimable for us . Now , The New York Timesreportsthat scientist opine it could benefit the catgut microbiome , which in bout affect our resistant systems .
Our bodies do n’t produce enzyme that break down roughage , but some type of bacteria in our guts do . This prompt scientists to hypothesize that the bowel microbes are intrinsically linked to fiber ’s wellness benefits . Two disjoined study , both of which were of late release in the journalCell Host & Microbe , put this possibility to the test by examining mouse on scurvy - fiber diets .
Thefirst study , led by Georgia State University scientist Andrew Gewirtz , looked at mouse on a low - fiber , high - avoirdupois diet . In thesecond study , which was led by University of Gothenburg biologist Fredrik Bäckhed , the black eye were transition from a high - fiber to a low - fiber diet .
In both bailiwick , the mice developed unhealthy imbalances of different intestine bacterial strains , shrunken intestines , and fragile protective mucus layers in their colons . This newly permeable tissue layer allowed bacterium to overrun the organ , which in twist caused an immune reaction . And in accession to Costa Rican colon issues , the mice in Gewirtz ’s group finish up gaining weight , developing high blood sugar and insulin underground , and experiencing severely cut down catgut bacterial levels .
In contrast , when both grouping gave mice doses of a type of fiber called inulin , the rodent end up break healthier guts , and were also healthier overall . This was n’t a coincidence , expert say .
" Diets that lack roughage alter the bacterial physical composition and bacterial metabolic process , which in turn stimulate defect to the internal mucous secretion layer and allows bacterium to impinge , something that trigger kindling and ultimately metabolic disease , " says Gunnar C. Hansson , a senior researcher who worked alongside Bäckhed , accord to Science Daily . Yet another cause why it ’s important to kick leftover holiday cookies to the kerb and start eat up more leafy K .
[ h / tThe New York Times ]
