If these pouches become inflamed or infected, they can bleed, leading to black stool. Often, this condition has no symptoms, making it vital to monitor any changes in bowel habits and stool ...

More serious intestinal bleeding leads to tarry black stools, not red blood on the surface of the bowel movement, mentioned ...

Breastfed babies may have less frequent bowel movements ... or foods colored with artificial black dye will cause stools to be dark. One of the more serious causes of black poop is bleeding ...

Some influencers claim that certain foods that contain chemicals called lectins — including beans, grains and some vegetables ...

Ms Oda said one of the first warning signs was a subtle, but troubling change in her bowel movements. Her stool suddenly became thin and pencil-like every time she used the bathroom.