A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

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 ...

Remarkable animals like naked mole rats, turtles, and fish have evolved astonishing biological adaptations to survive in environments with scarce or absent oxygen. These species demonstrate unique ...

Challenging existing recommendations, delivery room resuscitation with high initial levels of oxygen for very preterm infants may reduce their odds of death, a systematic review and individual ...