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 ...

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 ...

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 ...

It’s cold and flu season and most of us will encounter a virus at some point. So, how does our immune system work to keep us healthy? According to Dr. Michaela Gack, Scientific Director of the ...

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 ...

It’s cold and flu season and most of us will eventually encounter a virus. So, how does our immune system work to keep us healthy? According to Michaela Gack, PhD, Scientific Director of the Cleveland ...

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

A cancer drug class best known for attacking tumors may also help your immune system remember them better. Researchers at ...

You’ve seen the term on yogurt containers, in supplement aisles, and in health articles: "probiotics." It's a wellness buzzword that has gained immense popularity, but what exactly are these ...

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 ...