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 ...

Long-distance trail running and extreme cardio activity led to red blood cell damage, per a new study. Here, doctors explain ...

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

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

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 ...

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

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, ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a study published in the American Society of Hematology's journal Blood Red ...

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

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