Eating certain foods can cause a person to have blue poop. People should be aware of their stool and seek medical care if there are any major changes. People can pass blue stools if they consume food ...

I turned my poop blue for science (well, sort of), and you can too. Researchers have discovered a connection between how quickly people poop and gut health. Visit Insider's homepage for more stories.

Blue is far from the usual stool color, but it isn’t usually a cause for concern. Most of the time, blue stool is due to blue pigments or dyes that come out when your food is digested. If you take a ...

I was part of a study where researchers tracked how long it took blue food dye to move through my system. Hilary Brueck/Insider I turned my poop blue for science (well, sort of), and you can too.

The Blue Poop Challenge measures gut transit time by tracking how long it takes blue food to pass. People with shorter gut ...

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