Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a ...

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 ...

Human bodies make 2 million red blood cells per second. They each live for 120 days and spend that time zooming completely around the body every 20 seconds, carrying oxygen from the lungs to other ...

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 training is often seen as a sign of strong physical fitness. However, new research indicates that very long-distance runs may have negative effects on the body.

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

After a long trail race, some of your red blood cells may not bend the way they should. That matters because red blood cells have a tight job description.

Efforts to develop lab-grown blood cells for blood transfusions may soon materialize. Since 2021, the National Health Service (NHS) in the United Kingdom has been working on RESTORE— a project ...

Your blood cells work tirelessly to keep you alive, carrying oxygen throughout your body and fighting off infections. But hidden in your daily meals are foods that can silently compromise these vital ...