The immune system may be more versatile than scientists once thought, according to a new study by Brown researchers. Scientists usually separate the immune system into two branches. Innate immunity ...

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 ...

What keeps some immune systems youthful and effective in warding off age-related diseases? In new research done on mice, scientists point the finger at a small subset of blood stem cells, which make ...