Short-term high-fiber diets trigger major changes in 'starving' gut bacteria

Dietary fiber, though indigestible by humans, is a vital element for keeping one’s gut bacteria healthy — and that, an increasing body of research has revealed, plays a big role in one’s overall health and disease risk. Despite its importance, Americans generally consume far less fiber than recommended, leading to ‘starving’ gut bacteria that quickly change after a short-term high-fiber …