Mary E. Brunkow, Fred Ramsdell and Dr. Shimon Sakaguchi won the Nobel Prize in medicine on Monday for their discoveries concerning peripheral immune tolerance. Brunkow, 64, is a senior program manager ...

Add Yahoo as a preferred source to see more of our stories on Google. A Seattle scientist was among three who won the Nobel Prize in medicine on Monday for their work on the human immune system. The ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

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Researchers have uncovered how a disease-causing bacterium uses a single protein to interfere with the body's defenses in ...

Sexually transmitted infections (STIs) not only impact an individual's health, but also result in multibillion-dollar ...