Walnuts are known to boost the health of the heart. Not only this, they also reduce the chances of having colorectal cancer as revealed by a study that they impact the gut microbiome – a term, which represents a group of zillions of bacteria in the gastrointestinal tract.
Walnuts have dietary fiber. Scientists are interested in understanding their effect on the overall heath and particularly, microbiome. Researchers say that dietary fiber is a source of food for the gut microbiota. It helps the bacteria in breaking down complex foods and give us nutrition and making us feel satiated.