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 ...

When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Normal blood oxygen levels mean that there is enough oxygen in your red blood cells to keep your vital organs and tissues functioning properly. You can easily check your blood oxygen levels with an ...

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

Blood oxygen level is the amount of oxygen circulating in the blood. During an asthma attack, a person may have a lower blood oxygen level, as asthma can reduce the capacity to take in oxygen. Red ...

The blood in your body delivers oxygen to all of your cells. When you breathe and draw fresh oxygen into your lungs, red blood cells bind with the oxygen and carry it through your bloodstream. On a ...

Last March 2020, Fitbit said that it will be launching the Charge 4 band with its features involving a built-in GPS and SpO2 for the upgrade of its fitness tracker. Previously, the users could only ...