Articles & Guides

Kids and teens in the US get two-thirds of their calories from ultra-processed food. What counts as ultra-processed is less settled than that number makes it sound.

Tylenol's own website says it's gentler on your stomach than Advil or Aleve. A study of nearly a million patients tested that claim.

A gut doctor who looks inside kids' intestines for a living has seen plenty of swallowed gum, and he knows how long it had been there.

Everyone says bad sleep is bad for your gut, and the first study to test it had nine people in it.

Period poops have a standard explanation, and it rests on one chemical that nobody has traced all the way to your gut.

Scientists blended one person's poop so every portion was identical, then mailed it to seven gut-testing companies.

In 2011, a probiotic made mice calmer, and that experiment still gets cited. The same lab later tried the same strain on people.

A canker sore and a stomach ulcer share a name and not much else, except that both of them can be a sign of something going on further down.

Culturelle sells a capsule "specifically formulated to rebuild bacterial balance during and after antibiotic use." A 2018 study looked inside people's intestines to check.

The claim that scrolling on the toilet gives you hemorrhoids went viral with a number attached, and the number came from a study that never looked at anyone your age.

Your stomach growls when you're hungry, and also when you're not, which means that something other than hunger is making the sound.

In 1988, researchers put 30 grams of ground jalapeños straight into people's stomachs to see what would happen.