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 ...

Immunologist Dr. Jenna Macciochi explains that as we age, our immune system starts to decline. Here's how to spot an immune ...

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 ...

Your immune system isn’t just a short-term defender—it carries a memory of past battles that shapes how it responds to new ones. From mRNA vaccine targeting to tissue-resident T cells and even ...

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 ...

We sometimes hear about the benefits of “boosting” our immune system, but what we really want to do is support our immune system on an ongoing basis. People often think of the immune system as ...

Scientists have uncovered an unexpected mechanism by which the gut’s immune system maintains balance, challenging ...

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 ...