Prunes -- AKA dried plums -- are sweet, chewy fruits that contain an impressive array of nutrients. Seriously. Most people know that they can help to treat constipation. But they do other positive things to other parts of your body as well. 1) They keep your blood sugar under control: The soluble fiber in prunes slows the movement of food from the stomach to the intestines, and slows the rate at which glucose is absorbed from food. These traits helps to keep blood sugar with