Low fat eating can be helpful for those that are dealing with diabetes, heart disease, and also digestion problems. Low fat can also be helpful for those watching their weight that are also eating or prefer to eat, higher sources of starchy carbohydrates instead of high fat foods. Many people also refer to this an oil-free, or whole food, low-fat meal plan, as it emphasizes more beans, legumes, grains, vegetables, fruits, minimal nuts and seeds, and no dietary oil.