In the world of automotive tuning, knowledge is horsepower. Gauges, loggers, and sensors galore provide the data to advance performance, solve problems, and prevent expensive engines from experiencing ...

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...

A healthy blood oxygen level is 75–100 mm Hg, or 95–100%. Low blood oxygen levels, known as hypoxemia, may be a cause for concern. Your blood oxygen level is a measure of how much oxygen your red ...

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 ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...

A new sensor could soon allow hospital patients' blood oxygen levels to be checked via their breath. The technology is claimed to be more reliable and less painful than existing traditional methods.