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 ...

Posts from this topic will be added to your daily email digest and your homepage feed. Why is this important? Because your blood oxygen levels indicate how well oxygen is distributed throughout your ...

Oxygen is absorbed by a protein in your blood called hemoglobin. When you breathe, your lungs load up blood cells with oxygen, then the pumping of your heart circulates the oxygen-rich blood through ...

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 validation study published this month puts the blood oxygen feature of the Apple Watch to the test. According to the results of the study, the Apple Watch ...

As of today, all new Apple Watch Series 9 and Ultra 2 models sold by Apple do not support the blood oxygen feature. This is due to an ongoing patent dispute with Masimo. But if you are buying an Apple ...

Posts from this author will be added to your daily email digest and your homepage feed. Doctors say one of the best ways to monitor patients with COVID-19 is by tracking their blood oxygen levels, ...