Your poop will change depending on what you've eaten ... Sometimes it happens as a side effect of medications you take. However, it can point to more serious health conditions.

At a shocking 20 centimeters (8 inches) long and 5 centimeters (2 inches) wide, this coprolite is the largest intact piece of ...

Possible side effects include high doses of diarrhea, constipation, nausea, and black or green stool. Iron supplements may interact with bile in the GI tract, which results in green poop.