Blood oxygen saturation, or SpO2, sits between 95 and 100 percent for most healthy adults, according to the FDA. A reading of 92 percent or lower at home is the point where Cleveland Clinic tells ...

Liz covers cardiovascular and metabolic disease, asking why we’re not doing better or even losing ground against the world’s leading killer. Send tips on Signal at LizC.22. Oxygen is the breath of ...

For the average person, living at high altitude—where oxygen is sparser than at sea level—can have health benefits ranging from lower rates of heart disease to increased endurance. But for those born ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...