Hard stool happens when your colon absorbs too much water from your stool. This commonly occurs with constipation, defined as having fewer than three bowel movements per week. Common causes include ...

Constipation and blood in the stool can occur at the same time, due to many different reasons. For most people, blood in stool may occur due to issues with bowel movements, tears to the anus, or ...

Clare Collins is affiliated with the Priority Research Centre for Physical Activity and Nutrition, the University of Newcastle, NSW. She is an NHMRC Senior Research and Gladys M Brawn Research Fellow.