On the plate, glossy organ stews and sour, bubbling crocks look like trouble. Inside the body, they often behave like maintenance crews for the gut, while sleek “diet” shakes can act more like vandals. That reversal sits at the center of a growing body of microbiome research and nutritional epidemiology.Fermented vegetables, miso pastes and aged dairy do something many low-calorie bars fail to do:...More