The iconic sleep-tracking smart ring is accurate and comfortable—but smart rings make poor activity trackers.

The first study to test a digital tool designed to help people with long COVID manage their energy levels has been developed by a team of researchers. The paper published in Nature Communications is ...

On the whole, Polar Loop is a reliable activity tracking wearable for health conscious consumers who want zero distractions from their wrist and no monthly fees for their data.

The Whoop rival tested.