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.

“Hearst Magazines and Verizon Media may earn commission or revenue on some items through the links below.” If you check out the toilet bowl after you go No. 2, well, join the club: People are ...

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

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. If you want to take a peek into your digestive ...

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 ...

The blue poop challenge, developed by a group of researchers at ZOE, can give a person important information about their gut health. Healthcare science company ZOE worked with Dr. Sarah Berry, the ...

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If you check out the toilet bowl after you go No. 2, well, join the club: People are fascinated by their poop. After all, it constantly varies in size, shape, and color—and that’s one major reason why ...