There are many possible causes of large, painful, hard-to-pass bowel movements. Learn more about some of these causes, and treatments, here.

Hard stool, which is often difficult or painful to pass, is a common symptom of constipation. Learn more about the causes and treatment of hard stool here.

New funding: MicrobiomX, a Seattle startup developing a device to collect and process stool samples for clinical use, has raised $1 million in a pre-seed ...