There’s a new wearable tech metric in town – and it’s all about blood oxygen. It might sound complicated and a little pointless, but pulse ox can reveal conditions like sleep apnea – and help athletes ...

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 ...

is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. The Apple Watch Series 6 feels like it has perfected many of ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

For decades, receiving oxygen treatments for conditions such as COPD meant being tethered to bulky canisters of compressed oxygen, which limited mobility and independence. An atmosphere of pure oxygen ...

More than 1.5 million Americans use an oxygen concentrator for supplemental oxygen therapy. Oxygen concentrators can be rented or bought, depending on whether you are using it for short-term therapy ...