Various types of potatoes. A staple food, or simply a staple, is a food that is eaten routinely and in such quantities that it constitutes a dominant portion of a standard diet for a given people, supplying a large fraction of energy needs and generally forming a significant proportion of the intake of other nutrients as well.
When the colon's muscle contractions are slow or sluggish, the stool moves through the colon too slowly, resulting in too much water being absorbed. Some of the most common causes of constipation include the following: Medications. Lack of exercise. Not enough liquids. Not enough fiber in the diet. Irritable bowel syndrome
1 Constipation can occur when stools are hard and very difficult to pass. 2  Constipation can be painful and your stomach may feel tender to the touch. 3  You might also notice that you feel full and your stomach is somewhat distended. 4  Medicines and nutritional supplements can cause bloating and gas.