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

For many years, scientists have been puzzled by individuals who live in high-elevation areas throughout the world. Surveys of high-altitude populations, from areas of the Andes to regions of the ...

Obstructive sleep apnea induces a metabolic chain reaction that leads to increases in weight and blood sugar levels, among other unhealthy changes.

Nighttime drops in ocean oxygen raise energy use in small reef fish. Repeated stress could affect reef health as oceans warm.

Diabetes is less common among people living at high altitudes, where oxygen levels are low, than at sea level, and researchers who have discovered why that happens say the reason may lead to new ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

Just over two years into Colorado’s wolf reintroduction effort, 12 of the 25 wolves brought from Oregon and British Columbia have died. Colorado Parks and Wildlife maintains that while the level of ...

The Federal Reserve’s decision on whether to cut interest rates again depends heavily on the uncertain “neutral rate,” the level at which policy neither slows nor stimulates the economy. With rates ...