The immune system may be more versatile than scientists once thought, according to a new study by Brown researchers. Scientists usually separate the immune system into two branches. Innate immunity ...

A new study shows human immune systems differ across populations, raising new questions for medicine and global drug research ...

Pioneering research led by Brazilians describes the immune system's reactions in detail in the first living patient to receive a genetically modified pig kidney transplant.

As women age, they produce an increasing number of “killer” immune cells, which hunt down and destroy infected cells. This discovery, and the fact that the same isn’t true of men, could help to ...