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, ...

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A new flexible sensor can map blood-oxygen levels over large areas of skin, tissue and organs, potentially giving doctors a new way to monitor healing wounds in real time. The sensor is made of ...

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 ...

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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 ...

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, ...