Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

Immune cells that help to fight off foreign invaders in the body also provide crucial support for muscles during exercise, suggests a mouse study published in Cell on 17 April 1. B cells are the ...

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own innate immune system. Evolutionary arms races — where one species is pitted ...