Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Every day, your immune system ...

We all get sick sometimes. Even something pretty minor, like a cold or flu, can be enough to disrupt your life for a few days. When you have a minor illness, it does more than just make you feel ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

The immune system must maintain a delicate balance to defend against harmful threats while avoiding excessive inflammation.

From cholera to norovirus, Giardia to hookworms, the gut is vulnerable to an impressive array of pathogens. To keep us alive in the face of this onslaught, the intestinal immune system must be ...

Of the 3.6 million babies born in the United States each year, about 80% begin breastfeeding in their first month of life. Breastfeeding has known benefits for both mother and child, reducing maternal ...

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 ...