Magnesium and potassium, along with sodium and calcium, are examples of electrolytes that are present in the blood. Electrolytes help trigger and regulate electrical impulses in the heart and low levels of magnesium and potassium can lead to an electrolyte imbalance, which can contribute to arrhythmia.
Passing hard stools is usually as a result of constipation or the infrequent movement of the bowels. Most healthy people have at least three bowel movements per week, according to MedlinePlus. If you are unable to have a bowel movement or are having difficulty passing stool, contact your doctor.
Causes. Constipation happens when the colon absorbs too much water. This can occur if the muscles in the colon are contracting slowly or poorly, causing the stool to move too slowly and lose more water. These are the most common causes of constipation: 1) Lack of fiber in the diet