CNET spoke with Apple's Deidre Caldbeck and Matt Bianchi about the Apple Watch's newest health tracking feature, which took ...

The Apple Watch Series 10 pairs a thinner and lighter design with bigger displays for an improved new feel on the wrist. Sleep apnea detection, faster charging, and a stellar color selection round out ...

The Apple Watch Ultra 2, Ultra, Series 9, and Series 8 feature temperature sensors for tracking users’ wrist temperature overnight ... a medical-grade ECG and pulse oximeter.

I liked that it rates your overnight recovery in one simple score ... blood oxygen levels, pulse oximetry, skin temperature, respiratory rate Looking more like a bracelet than a watch, this ...

Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works ...

Medically reviewed by Jeffrey S. Lander, MDMedically reviewed by Jeffrey S. Lander, MD Pulse oximetry is a quick and noninvasive test that measures the oxygen saturation level in your blood using ...

Pulse oximetry is a quick and noninvasive test that measures the oxygen saturation level in your blood using a device called a pulse oximeter. It helps monitor how well oxygen is being delivered ...

By Corey Jungwirth, NBHWC Expert Contributor Dr. Aneesha Dhargalkar Reviewed by Stephanie Hope Fact Checked by Heather ...

A pulse oximeter measures your blood oxygen levels and pulse. A low level of oxygen saturation may occur if you have certain health conditions. Your skin tone may also affect your reading.