Mountain adventures promise stunning views and unforgettable memories, but ascending to high elevations triggers profound ...

What happens when you hold your breath goes far beyond that quick dizzy spell. From plummeting oxygen levels to unexpected ...

Blood oxygen levels help indicate lung health, as well as other conditions that happen in the body. Learn more about normal blood oxygen levels here.

In addition to a careful exam, hearing testing and an MRI of the brain is generally recommended. Early treatment with ...

If someone’s blood oxygen level falls below 60 mm Hg, there may not be enough oxygen reaching the body’s vital organs.This can lead to symptoms such as shortness of breath and dizziness.

The blood in your body delivers oxygen to all of your cells. When you breathe and draw fresh oxygen into your lungs, red blood cells bind with the oxygen and carry it through your bloodstream. On ...

A recent study shows that marine oxygen levels were crucial to the evolution of early Paleozoic trilobite body size, suggesting that oxygen may have influenced the evolution of other animals' body ...

A British expedition summited Everest in days while supplementing xenon. Is it the secret ingredient mountaineering has been ...

In the eternal quest to know thyself, it’s tempting to seize on every bit of data we can glean. But experts caution relying too much on health-tracking tech.

Spot the silent signs of high cholesterol before it’s too late! These 10 warning symptoms may reveal dangerously high LDL ...

Red blood cells (RBCs) play a central role in keeping your body energized and functioning. They carry oxygen from your lungs ...

A recent study shows that marine oxygen levels were crucial to the evolution of Early Paleozoic trilobite body size, suggesting that oxygen may have influenced the evolution of other animals&#39 ...