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, ...

A study shows ultramarathon running induces oxidative stress and structural damage in red blood cells. Multiomics analyses revealed protein oxidation, copper accumulation, and reduced cell flexibility ...

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 ...

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 ...

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

Red blood cells (RBCs), traditionally regarded as passive oxygen carriers, are now recognized as highly dynamic regulators of immune and vascular ...

Flavonoids are plant compounds with antioxidant properties found in colorful fruits and vegetables. Eat more of these flavonoid-rich foods for heart and brain health benefits.

“Most people first notice age-related changes to their eyesight in their forties when the lens inside becomes less flexible, ...

Getting the right vitamins and minerals through diet or supplementation can help support bone strength, heart health, energy ...

Thyroid hormone and Vitamin A transform blue eye cells into red and green ones. This transition builds the eye’s center, ...

Sickle cell disease (SCD) makes red blood cells rigid and sickle-shaped, which can block blood flow. This can cause pain crises, infections, and other serious complications. Medications are often the ...