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 ...

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, ...

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 ...

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 ...

Apple has been selling the Apple Watch Series 9 and Apple Watch Ultra 2 without the blood oxygen monitoring feature in the U.S. since mid-January, and while we've suspected Apple would be able to ...

The aim of this study is to characterize baseline regional oxygen saturations (rSO 2) in stable preterm infants during the first weeks of life. In the neonatal population, assessments of vital organ ...

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 Series 6 is able to “reliably detect ...

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 ...

Popular brands of baby monitors may not be accurate in measuring your infant's vital signs, a new study has warned. Researchers said they found that these commercially available monitors - which are ...