Red-meat lovers may raise their risk of heart disease through a chain of events that plays out in the gut, a new study suggests.
But, Hazen said, research has shown that any ill effects of saturated fat are not enough to explain the excess heart disease risks linked to heavy red-meat consumption. There had to be other mechanisms.
There is still much to learn about the gut microbiome, said Wright, who is also a spokesperson for the Academy of Nutrition and Dietetics. But in general, she said, diets rich in foods like vegetables, fruits and high-fiber grains help"feed" beneficial gut microbes.Hazen, too, said he is a"big supporter" of using diet to change the gut microbiome, rather than adding certain bugs via probiotic supplements.
In the latest study, looking at both humans and lab mice, the researchers found that a cluster of gut bacteria -- within a group called-- transform carnitine into TMAO. While meat-eaters harbor a decent amount of those microbes, longtime vegetarians and vegans have very few.boosted TMAO levels and the blood's propensity to form clots.
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