You can use the ECG app on your Apple Watch to monitor your heart rate and detect irregularities, in which case you should notify your doctor.

"There's an app for that." Who'd have ever thought that would be the case for something as fundamental as a ruler or a measuring tape? But here we are. If you're reading this, you may already know ...

Apple Health is a wide-ranging service on your iPhone and iPad for storing and analyzing your health and fitness data. Here's how to use the app for a better, healthier life. The iPhone and other ...