Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health.

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.

If someone’s blood oxygen level falls below 60 mm Hg, there may not be enough oxygen reaching the body’s vital organs. This can lead to symptoms such as shortness of breath and dizziness. This article ...

Higher oxygen saturation targets are linked with greater progression in some cases of retinopathy of prematurity (ROP), but the incidence remains stable. Increased oxygen saturation targets in ...

Smartwatches can measure everything from heart rate to sleep quality, but one health metric has become particularly relevant over the past two years: blood oxygen saturation. Two of the world's ...

Blood oxygen readings can be a useful indicator of wellness, but context is important — and so is medical advice from a doctor. By Brian X. Chen The new Apple Watch can be summed up in two words: ...

Wearing a mask, while necessary and required at the University of Kentucky, can cause some people to feel anxious and panic. It's all a part of "anxiety sensitivity," a psychological trait that causes ...