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
Red, maroon or black, tarry stools that are caused by bleeding from the gastrointestinal tract (esophagus, stomach, small intestine, large intestine) may have the accompanying symptoms: 1  Abdominal pain. 2  Nausea or vomiting of blood. 3  Diarrhea and cramping.4  Weakness, lightheadedness, and dizziness.lack stool: may indicate bleeding in the stomach or the upper part of the small intestine. Black stool that results from a gastrointestinal bleeding is often associated with a tarry texture and foul odor. Iron pills or certain medications, like Pepto Bismol, may also cause black stool.