We often judge our immune systems based on how many colds we catch in a year, but experts say that’s an oversimplification of what is a highly complex network of cells, tissues and organs that works ...

Periodontitis is a serious chronic inflammatory form of gum disease that affects millions worldwide. It can lead to tooth ...

Gut bacteria aren’t just passive passengers—they can actively send proteins straight into our cells. Using microscopic injection systems, even harmless microbes can influence immune responses and ...

A strong immune system can be the difference between shrugging off a cold and being wiped out for days. Where you live could play a bigger role than you think, and choosing to spend your time in ...

Scientists have uncovered a powerful genetic switch that helps some of the body’s most important immune cells grow up properly and keep our organs healthy. The switch, called MafB, guides immature ...