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, ...

Sickle cell disease is often thought of solely as a blood disorder, but new research from the Wood Neuro Research Group ...

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

"It feels like glass running through your veins." Faith Adjei-Sarpong lives with sickle cell disease and, like many others ...

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 ...

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 ...

There are many ways that the human body responds to stress, from the adrenaline rush of the "fight-or-flight" instinct to more subtle, complex changes that may not be immediately recognizable to us.

A new study describes a technique that rejuvenates aging blood-forming stem cells and could help reduce the risk of age-related blood disorders.

Why do diabetic wounds refuse to heal? A new scientific review highlights how disruptions in the timing and behavior of ...

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