A proliferation of data from wearable technology is telling people how to optimize their job performance. Is that a good thing?

But at least part of the credit for the stability I currently enjoy goes to an unlikely tool: the fitness tracking devices ...

Plus, doctors’ number-one pick and their take on the devices.

Apple today launched its atrial fibrillation history feature for Apple Watch in mainland China. Since 2022, Apple Watch in the U.S. has supported AFib History, which allows users diagnosed with atrial ...