Celebrities, tech companies, and even the new surgeon general nominee are hyping glucose monitors as a wellness breakthrough. But these devices were made for diabetes—so do they actually help healthy people? We dig into what continuous glucose monitors can (and can’t) do, when they make sense, and how to tell if you’re just buying hype.

New research suggests that stepping away from work sooner might help you live longer.

The breakthrough could transform how we study infertility and miscarriage. But it’s also raising big questions about where science should draw the line.

the test identified signs of cancer in individuals long before they showed any outward signs of disease.