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.
Constipation is defined medically as fewer than three stools per week and severe constipation as less than one stool per week. Constipation usually is caused by the slow movement of stool through the colon.
Some common causes of constipation can include lack of exercise, diet, stress, travel, or any other changes in your daily routine. Sometimes constipation can just be caused by a slower digestive system. It is easy to resist the urge to go to the bathroom.