A recent study delves into the science, but doctors say there’s more to it.

A recent mouse study suggests that low-oxygen conditions, such as being at high altitudes, could cause red blood cells to ...

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

(Jordan Siemens/Stone/Getty Images) Research has shown that living at higher altitudes lowers your risk of developing diabetes, but scientists haven't been able to pin down why that is – until now. A ...

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, ...

Running is good for your health, but pushing it too far can take a hidden toll. New research shows that ultramarathons may ...

The brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural ...

Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

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 ...

Red blood cells, long thought to be passive bystanders in the formation of blood clots, actually play an active role in helping clots contract, according to a new study from researchers at the ...

Scientists have discovered that red blood cells act as hidden glucose sponges in low-oxygen conditions, explaining why people ...