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 ...

If your oxygen saturation level drops below 92%, seek medical help right away. A dangerously low oxygen level can make you ...

For decades, pulse oximeters have been among medicine's most familiar instruments. Clip one onto a finger, and within seconds ...

In a proof-of-principle study, researchers have shown that smartphones are capable of detecting blood oxygen saturation levels down to 70%. This is the lowest value that pulse oximeters should be able ...

We spend much time working in buildings with sealed windows, in vehicles with closed windows and homes with closed windows. This reduces the amount of oxygen we get. Limited oxygen translates to a ...

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...

When physically demanding activities are performed at high altitudes or in other low-oxygen environments, excellent coordination, judgment, and decision-making are important. In some cases, such as ...

The severity of COVID-19 pneumonia can be difficult to assess in people from different ethnic groups, due to inaccurate readings from a device that measures the level of oxygen in the blood of ...

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 ...