Why do health experts keep talking about fiber? Not protein. Not calories. Not vitamins. Fiber. So what makes it so important? The answer is not just what fiber does inside your body, but what happens when it continues its journey after you eat it. What Happens When You Eat Food? When you eat something like an apple, your body does not treat every part of it the same way. Some parts are broken down early in digestion. Sugars are absorbed quickly into the bloodstream. Many starches are also digested and absorbed for energy. These components are used by the body relatively early. But fiber behaves differently. Why Fiber Is Different Many types of fiber are not fully digested in the small intestine. This means they continue moving through the digestive system instead of being absorbed early. Eventually, they reach the large intestine, also called the colon. The Role of Gut Microbes The colon contains trillions of microorganisms known as gut microbes. These microbes interact with the fiber...