If you've ever been on a flight, you've heard about the oxygen masks that may drop down, but did you know they only have a few minutes worth of air? Here's why.

How major organs work together to manage extreme physiological stresses such as lack of oxygen and sleep has been mapped for ...

Researchers are making ever more sophisticated mini organs in the lab — and now they can grow their own blood vessels. The ...

Oxygen saturation, “the fifth vital sign”, should be checked by pulse oximetry in all breathless and acutely ill patients (supplemented by blood gases when necessary) and the inspired oxygen ...

You may wonder what to eat when your blood sugar is low. Opt for foods with sugar that your body can absorb quickly, such as ...