We tested 50 air purifiers to find the best for removing dust, pollen, pet dander, smoke, and odors, with picks for bedrooms, ...

Wearables now flag everything from irregular heartbeats to dips in blood oxygen, but the data is only as useful as a person's ...

One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

Engineers have developed a new way to monitor how tiny lab-grown human heart tissues beat—by effectively "listening" to the ...

A good smart scale for US users, though it has a few annoying hiccups. The handle-based design and lifetime warranty make ...