Even critics of the global health organization say that the United States' withdrawal won’t solve pressing problems.

RFK Jr. shifted $500 million from a pandemic preparedness fund to a single nascent flu vaccine development program.

A new study offers more evidence linking frequent marijuana use to an increased risk of cardiovascular disease.

The success of fecal transplants to combat hospital-acquired diarrhea shows how crucial gut bacteria are to our bodies.

Every day, Jerry Grabarek looks out for a plume of smoke a couple miles from his dairy farm. Grabarek, a 73-year-old from Preston, Connecticut, can’t always see the plume. Some days are too rainy. Or ...

Nora Belblidia is a senior editor at Undark.