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

Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

Macrophages, the immune system’s front-line scavenger cells, do more than simply digest dead cells. A new study published in ...

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 ...

Immune thrombocytopenia (ITP) is a rare blood disorder in which the immune system mistakenly attacks and destroys platelets. Platelets are small blood cells that play a critical role in helping your ...

Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the ...

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 ...

A new study traces the molecular pathway connecting the gut immune system to the brain during a parasitic infection, ...

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 ...

This is read by an automated voice. Please report any issues or inconsistencies here. Three scientists won the Nobel Prize in medicine for discoveries about how the immune system avoids attacking ...