People have different reasons for participating in a clinical trial. In addition to advancing medical research, you may be able to access the very latest research medicines or devices under development. Many studies may offer the following:
Constipation refers to bowel movements that are infrequent or hard to pass. The stool is often hard and dry. Complications from constipation may include hemorrhoids, anal fissure or fecal impaction. The normal frequency of bowel movements in adults is between three per day and three per week. Babies often have three to four bowel movements per day while young children typically have two to three per day.