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

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

CRISPR gene therapy Casgevy can nearly eliminate sickle cell crises, but difficult stem‑cell collection is delaying access ...

After a long trail race, some of your red blood cells may not bend the way they should. That matters because red blood cells have a tight job description.

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

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

Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down. Aging can seem like an ...

Researchers have created an early map of some of the human body's estimated 37.2 trillion cells. Each type of cell has a unique role, and knowing what all the cells do can help scientists better ...

Cancer is one of the leading causes of death worldwide, marked by the uncontrolled growth of abnormal cells. What makes it more dangerous is the ability of cancer cells to move quickly through the ...

Scientists are on the verge of a cancer breakthrough after working out how the body's immune system targets cells devastated by the disease. A new study has discovered that our natural killer cells, ...

A new study sheds light on why some patients with the most aggressive form of ovarian cancer respond better to treatment than others. Tumors positive for a molecule called MHC class II are linked to ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...