Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red ...

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

Researchers collected blood from 23 runners right before and right after two endurance races: a 40-kilometre mountain race and the 171-kilometre Ultra Trail du Mont Blanc. They then analyzed thousands ...

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

Ultramarathons might push red blood cells past their limits—accelerating their aging in the process.

In a 2023 paper on hypoxia and glucose metabolism, our lab showed how organisms rewire their metabolism to adapt to low ...

If an athlete can raise their population of red blood cells by a few percentage points, that represents a huge competitive ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...