What are prebiotics and what foods are natural sources?

You may know about the importance of consuming probiotics in keeping your digestive system healthy, but prebiotics can be equally important. What are prebiotics? Prebiotics are foods that feed the probiotics (or "good" bacteria) that are already in your digestive system. All prebiotic foods are carbohydrates, and many of them are very high in soluble fiber. Fruits, vegetables, whole grains and legumes are all good sources of prebiotics, along with some foods like...