Apple rolled out a redesigned Blood Oxygen app for Apple Watch in the U.S. with watchOS 11.6.1, and we're here to help you ...

Apple plans to reintroduce a blood oxygen monitor for some of its U.S. smartwatch users after a legal battle hindered the feature's availability. The iPhone maker said Thursday that U.S. users ...

Heart disease is the leading cause of death in the United States, and doctors suggest you might benefit from monitoring your heart health at home. Here are the heart monitoring devices they suggest ...

Thanks to new OS updates rolling out now, you can once again use your Apple Watch to measure the oxygen level in your blood.

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

If you own a recent Apple Watch, you'll soon regain access to blood oxygen monitoring. Later today, owners of the Apple Watch Series 9, Series 10, and Ultra 2 will be able to download an update ...