Taylor Leamey writes about all things wellness ... disease is a malabsorption disease often the culprit behind yellow stool. Black poop is another color no one wants to see.

Although green, yellow, and brown hues are generally normal, black, red, or white poop may sometimes signal underlying issues. In the first week of life, a baby's stool changes from meconium to ...

The poop of newborns is almost black, while older infants tend to have yellow or brown poop. Breast milk and formula can also influence the color of a baby’s stools. Red or white poop can ...