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.

The "loss of pulse detection" feature for the Pixel Watch 3 that received FDA clearance in February is now rolling out to U.S. users. Read on for more on what this feature does, how well it works ...

Years of research have showed that pulse oximeters yield less accurate readings for people with darker skin tones, and now the US Food and Drug Administration is proposing guidance to help make these ...