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 ...

Small food protein signals teach immune cells to accept food. The finding helps explain how the body prevents food allergies.

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 ...

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 ...

Food allergies are serious and, for some, potentially deadly. And yet, despite decades of research into allergies and what causes them, very little is known about why the vast majority of people are ...

LA JOLLA (July 29, 2025)—Of the 3.6 million babies born in the United States each year, around 80 percent begin breastfeeding in their first month of life. Breastfeeding has known benefits for both ...