What is the immune system? A guide to your body's first-line of defense against infection

Your immune system is a network of cells, tissues, and organs that fight off infection. Your immune system can be affected by ...

How pollution and the microbiome interact with Tregs, the immune system regulators whose discovery was honored with the Nobel Prize

Researchers are gaining insights into how external factors like air pollutants, diet and medications, and even microbes in ...