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 ...

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 ...

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 ...

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led ...

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 ...

Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body's own healthy cells. This careful equilibrium is ...