Adult bone marrow churns out roughly two million new red blood cells every single second, a pace that adds up to more than ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...

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, ...

Northwestern Medicine scientists have discovered that the hormone FGF23 reduces the production of red blood cells and may ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...

(WASHINGTON – Feb. 18, 2026) – 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 ...

In a 2023 paper on hypoxia and glucose metabolism, our lab showed how organisms rewire their metabolism to adapt to low oxygen levels-such as those found at high altitudes. One of the most striking ...

The immune system consists of inflammatory and regulatory T cells (Tregs) that promote or dampen immune activity, respectively. These cells react to specific antigens that specialized cells like ...

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 ...