First author Yasser Khan holds the sensor, which is made of an alternating array of printed LEDs and photodetectors that can detect blood-oxygen levels anywhere in the body. (Courtesy: Yasser Khan, ...

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 ...

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 ...

Dizziness and severe shortage of breath is a pretty sure sign of overexertion, but sometimes you won't know you've pushed yourself too far until you're hunched over the park bench gasping for air. The ...

Apple on Tuesday announced the Apple Watch Series 6, its latest smartwatch iteration that includes a new health sensor for measuring blood oxygen levels and improved fitness monitoring. Apple also ...

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 ...

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, ...