A low-residue diet is a generally a doctor-recommended diet prescribed to people with certain digestive issues or diseases. By following this diet, one reduces the frequency and volume of bowel movements, while at the same time prolonging transit time in the intestinal tract. The low-residue diet limits the intake of indigestible carbohydrates. One reduces the number of fruits and vegetables they consume, and when these foods are eaten, they are well-cooked or canned. Legumes, seeds, and nuts are eliminated from the low-residue diet entirely. Whole-grain bread and cereals are avoided and replaced with refined foods instead.
The digestion process is not 100 percent efficient. Everything we eat is digested so that our body can extract the vitamins, fats, proteins, and calories we need. Anything left over after this process is known as "residue." Residue is waste, a nicer name for fecal matter. Certain foods increase the volume of waste, while other foods can cut down on the volume.
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