A new flexible sensor can map blood-oxygen levels over large areas of skin, tissue and organs, potentially giving doctors a new way to monitor healing wounds in real time. The sensor is made of ...

First author Yasser Khan holds the sensor, which is made of an alternating array of printed LEDs and photodetectors that can detect blood-oxygen levels anywhere in the body. (Courtesy: Yasser Khan, ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation – and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen can be ...

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Dizziness and severe shortage of breath is a pretty sure sign of overexertion, but sometimes you won't know you've pushed yourself too far until you're hunched over the park bench gasping for air. The ...

Both the Apple Watch Series 6 and Fitbit Sense have new blood-oxygen apps, but The Washington Post's Geoffrey Fowler says they’re mostly useless. (Video: Jonathan Baran/The Washington Post) Sometimes ...

The new Apple Watch Series 6 includes a sensor that allows the watch to measure blood oxygen levels. The device is a long-awaited addition to Apple’s suite of health tools, but it tracks oxygen levels ...

Apple today released iOS 18.6.1 for the iPhone and watchOS 11.6.1 for the Apple Watch Series 9, Apple Watch Series 10, and Apple Watch Ultra 2. The updates re-enable blood oxygen monitoring in the ...