Fitbit has released an update for its Versa and Ionic lines that lets you quickly check your blood oxygen saturation. The new Fitbit SpO2 Signature watch face shows your overnight SpO2 readings, which ...

Samsung normally adds a few new things to each iteration of a handset, sometimes keeping all prior features and other times letting go of things that may not have worked. In the case of the Galaxy ...

First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.