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.

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

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 ...

There are no official numbers for the optimal levels of testosterone, but certain medical laboratories use the following reference values for typical total serum testosterone, measured in nanograms ...

Insulin is one of the most essential hormones in your body. You can think of it as a “key” that unlocks the doors to your cells. When you eat food, your body turns it into energy (sugar). Insulin ...

Anoxic brain injury, also called anoxic encephalopathy or hypoxic-ischemic brain injury, is a life threatening condition resulting from a complete lack of oxygen to the brain. Anoxic brain injury (ABI ...

Researchers at Karolinska Institutet have discovered how cells can adjust their gene activity to survive when oxygen runs low. The study, published in Nature Cell Biology, reveals that cells use a ...

Air travel for some adult patients with pulmonary diseases may be challenging, so having proactive discussions with your patients is key. “Without appropriate preparation and intervention, patients ...