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 ...

Only one study looked at whether giving medicines that stimulate breathing, like caffeine, to babies born a few weeks early can help prevent or reduce problems with low oxygen levels or breathing.

Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health. Tatum Simonson, Ph.D., associate professor of medicine and John B. West ...

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 ...