A glowing red light isn't always a good sign, but in the case of your Apple Watch, it's just a case of a sensor that's working as designed.

Your phone camera might have another useful feature beyond taking selfies. Engineers at UC San Diego and the University of Washington published a proof-of-concept study that showed a smartphone was ...

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...

Jan 6 (Reuters) - The U.S. health regulator on Monday proposed new guidelines for widely-used blood oxygen monitoring devices to improve their performance across skin tones amid growing evidence that ...

In a proof-of-principle study, researchers have shown that smartphones are capable of detecting blood oxygen saturation levels down to 70%. This is the lowest value that pulse oximeters should be able ...

A retrospective analysis of over 7,000 patients with COVID-19 found that pulse oximeter devices — tools that measure oxygen levels in the blood and that are used in virtually every U.S. hospital — ...

To investigate how melanin affects the accuracy of near-infrared spectroscopy (NIRS) measurements, researchers correlated the melanin levels of 35 adults with a diverse range of skin tones, measured ...