Different stool colors can mean different things, mostly depending on what you've eaten. But sometimes, a color change can signal a minor health issue. Here's what to know: https: wb.md 4l26Cw7 Black stool? Bright red blood? Each tells a different story. I've explained what these signs indicate and when to seek help. Watch the video, and if you relate to any of these Laxatives: Nursing pharmacology: Video, Causes, & Meaning Osmosis What Your Poop Color Reveals About Your Health