Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy. But how do cells get this energy in the first ...

As people age, their immune system function declines. T cell populations become smaller and can't react to pathogens as ...

The central nervous system (CNS) has its own resident and dedicated battalion of immune cells, called microglial cells. However, they are far more than just immune cells and are critical in the health ...

T cells, also known as T lymphocytes, are the immune cells that drive the cellular immune response. There are several different types of T cells, each playing a distinct role. The functions of T cells ...