(Medical Xpress)—When people get sick, their body's immune system launches a counter attack to protect the body. An important part of succeeding in that battle involves the work of helper T-cells.

Background: Exercise has been shown to be beneficial in the treatment of type 2 diabetes mellitus (DM); its benefit to immune function, however, remains to be determined. Objective: This study ...

The immune system's killer T cells are crucial in fighting viral infections. A fraction of them, called 'memory cells', live on once infection is controlled in order to fight re-infection by the ...