From the moment they’re born, newborns — or, specifically, their immune systems — must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...

T cells, which target infection and disease, can become more effective after a meal. The finding might help improve ...

B cells are white blood cells that form a core part of the body's adaptive immune system, enabling it to recognize specific infections, remember them, and mount a targeted response by producing ...

Infection-fighting T cells from people who have eaten recently can proliferate more quickly in response to threats.