Pain is something most people experience after an injury, whether from a sprained ankle, surgery or car accident. Normally pain fades as the body heals. But it may last longer in women than in men, ...

The immune cell repertoire is composed of many different cell types that are orchestrated in response to infection and other pathogens that enter the body. As a result, the body can defend itself ...

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

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

Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

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

As people age, their immune system function declines. T cell populations become smaller and can't react to pathogens as quickly, making people more susceptible to a variety of infections. To try to ...

Cancer treatment has made great progress over the past few decades, but many solid tumors remain very difficult to treat.