A recent study delves into the science, but doctors say there’s more to it.

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

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, ...

Scientists have discovered that red blood cells act as hidden glucose sponges in low-oxygen conditions, explaining why people ...

Running is good for your health, but pushing it too far can take a hidden toll. New research shows that ultramarathons may ...

A recent mouse study suggests that low-oxygen conditions, such as being at high altitudes, could cause red blood cells to ...

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

A nationwide team led by researchers at Baylor College of Medicine, Texas Children’s Hospital and UPMC Children's Hospital of Pittsburgh has proposed a major revision to how Langerhans cell ...

Researchers from UC San Francisco have discovered blood stem cells in the lungs, disrupting a decades-old belief that new blood cells were only made in the bone marrow. Conventionally it was thought ...

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.

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

From endometriosis and cervical cancer, to diabetes, vitamin D deficiency and pollution exposure, scientists are finding ...