Diabetes is the condition in which the body does not properly process food for use as energy. Most of the food we eat is turned into glucose, or sugar, for our bodies to use for energy.The pancreas, an organ that lies near the stomach, makes a hormone called insulin to help glucose get into the cells of our bodies.iabetes is the condition in which the body does not properly process food for use as energy. Most of the food we eat is turned into glucose, or sugar, for our bodies to use for energy.