The ECG app on Apple Watch Series 4 or later and all models of Apple Watch Ultra generates an ECG similar to a single-lead ...

Apple said it tweaked the watch’s algorithm to err on the side of not giving false positives that might scare users, and that seems to have worked. The new alert didn’t tell normal sleepers ...

Here’s how you change the default ringtone and other sounds on your Apple Watch with watchOS 11.

But it’s also increasingly clear that the future of the Apple Watch isn’t just as an alternative to cell phones, but also as a medical device. And the Series 10 takes an already-impressive ...

The Apple Watch ECG app turns your wrist into a personal heart monitor, providing valuable insights and the ability to detect irregularities.

People with Type 1 diabetes can connect their Dexcom blood-glucose sensor — an FDA-approved medical device — directly to ...