A fecal fat test measures the amount of fat in your stool. The concentration of fat in your stool can tell doctors how much your body absorbs during digestion.

Leading gastroenterologists reveal intriguing discoveries about black stool changes and what they mean for your health, from simple diet effects to warnings.

Healthy stool is usually brown. However, what a person eats can also affect the color of their stool. For example, eating foods high in fat or fiber can make stool appear paler.

Learn more about poop color meaning, and what a gastroenterologist says your stool may be telling you about your overall health.

Medically reviewed by Kumkum S. Patel, MD The color of your poop (stool) can provide clues about diseases or conditions affecting the digestive tract. Some of the causes are harmless, like eating ...

When it comes to ranking the scariest phrases in the English language, "blood in the stool" is right up there. But is it ...

This change in stool color is harmless, and your bowel movements should return to normal once the supplement is reduced or removed from your diet.