Disease can arise both when immune cells are too active and when they're not active enough. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For ...

T cell activation—the process by which these key immune defenders recognize threats and mobilize against them—depends on ...

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 ...

STOCKHOLM (AP) — Three scientists won the Nobel Prize in medicine Monday for discoveries about how the immune system knows to attack germs and not our own bodies. The work by Mary E. Brunkow, Fred ...

A breakthrough in CAR-T therapy may allow cancer treatment with a single injection, cutting costs and making care more available.

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

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 ...

Researchers have engineered Arabidopsis plants that emit visible light when their immune defenses switch on, creating a living sensor that tracks how plants fight pathogens in real time. The work, ...

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 ...