Why Fiber Is So Important To Health A diet high in fiber may be one of the best things that you can do for your health. When people ask me what I think is the most important change they can make to improve their health, I usually recommend a diet that is mostly plant-based, minimally processed, and high in fiber. Most anthropologists today believe that early humans ate a diet much richer in plant foods than we currently do. And most health experts agree that the daily intake of fiber should be approximately 25 grams or…