The prize-winning discovery explains how the immune system attacks hostile infections, but not the body's own cells.

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 ...

For many conditions including immune-related ones, genetics often explains only a small fraction of the differences between ...

Think about the hobbies you have. It may be running or weight lifting, playing music or drawing. Now, think about your work. Does it involve writing or typing? Do you have to drive to get there every ...

Every day, your immune system performs a delicate balancing act, attacking harmful invaders while protecting your own tissues ...

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 with Cleveland Clinic, once we fight ...

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 ...

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 ...

The body’s defenses may be mildly lowered for about 1 to 4 weeks after a single steroid shot into a joint or near your spine. In some people, particularly with higher doses, this effect may last up to ...

Repatha works by blocking a specific enzyme in your liver to help your body remove cholesterol more effectively. It is not an immunosuppressant drug, so it doesn’t work by suppressing the immune ...

But how does your immune system distinguish between “self” and “nonself ... When regulatory T cells don’t work, it can lead to disease. A breakdown in immune tolerance can result in autoimmune ...