
How a Common Stomach Bug Causes Cancer
Half the people in the world harbor this bacterium, but it sickens only a fraction. Why?
Our health writers explore wellness culture, human behavior, mortality and disease, and other mysteries of the body and the mind.

Half the people in the world harbor this bacterium, but it sickens only a fraction. Why?

Some of our species’ most peculiar sexual traits could be guards against preeclampsia.

Many people with head injuries aren’t even being told about potentially helpful treatments.

Climate change could make fungal diseases more potent and widespread than ever before.

American births have historically peaked in late summer. But our changing behaviors, technology, and environment are flattening that bump.

The COVID shots—and new ones for RSV—herald a new era for designing vaccines.

Ballet flats are back. Are you old enough to know better?

So why doesn’t it feel that way?

Never underestimate the power of a to-do list.

The simplest way to think about them—everyone should just get one—is arguably the best.