
America’s Homegrown-Parasite Problem
Scientists don’t know why cyclosporiasis, a tropical diarrheal disease, is spreading more and more from domestic sources.
Our health writers explore wellness culture, human behavior, mortality and disease, and other mysteries of the body and the mind.

Scientists don’t know why cyclosporiasis, a tropical diarrheal disease, is spreading more and more from domestic sources.

Digital devices from a less connected era are getting a second life.

Indictments, subpoenas, and debarments are hitting American scientists embroiled in the controversy over COVID’s origins.

The key to treating genetic disease might be hidden in other “modifier” genes.

The athletes train for this heat, but even elite-level acclimation only goes so far.

Should RFK Jr. be more open to the idea of eating manatees?

The heat is changing the continent’s interest in cooling technologies of all kinds.

Does the war on “ultra-processed foods” make any sense?

A weight-loss medication eased Serena Williams’s comeback. Experts can’t agree on whether that counts as doping.

This is health care’s Uber moment.