Researchers have developed a first-of-its-kind wearable device capable of continuously scanning the lungs and heart of hospital patients while they rest in bed—offering a revolutionary alternative to ...

We put the low-profile Oura Ring and the feature-filled Apple Watch in direct competition. Find out which fitness tracker won ...

Discover how aligning your wake-up time with the 90-minute sleep cycle can help you wake up refreshed and improve your ...