A new study claims that “ultra-processed food addiction” affects one in eight older adults. But how solid is the science behind that headline? Beneath the striking numbers lies a web of assumptions ...

Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using advanced single-cell genetic analysis found that regular kimchi consumption ...

A fruit most commonly known for being a zero-calorie sugar alternative may offer healthy compounds that go beyond sweetening coffee and baked goods, a new study says. Researchers in China found that ...

Conducting research is hard; confirming the results is, too. And artificial intelligence isn’t yet ready to help, a major new study finds. By Carl Zimmer Carl Zimmer has reported on replication in ...