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 ...

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 ...

Smartwatches can measure everything from heart rate to sleep quality, but one health metric has become particularly relevant over the past two years: blood oxygen saturation. Two of the world's ...

Blood oxygen saturation is important to normal healthy functions in the, particularly for lung functions. Blood oxygen levels received renewed attention as an essential vital sign during the COVID-19 ...

Measuring blood oxygen levels on the Apple Watch has been a staple of its health monitoring experience since it arrived. Yet, an ongoing patent dispute in the US has complicated matters over the last ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

Sanuj Bhatia, the managing editor at Pocketnow, is responsible for supervising and contributing to all the content published on the website, including news, reviews, features, and how-tos. He began ...

UCLA astronomers have made the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and ...