The immune system is the system of specialized cells and organs that protect an organism from outside biological influences. (Though in a broad sense, almost every organ has a protective function ...

Your immune system includes your body's cells, tissues, and organs, which work together to fight off infections and diseases. But how much do you know about it? When you understand everything that ...

Photograph by MedicalRF, Science Source Not confined to a particular set of organs, the immune system operates throughout ... The body must be primed by an introduction to these antigens.

Until now, however, it wasn't known which organs the virus prefers to hide ... they are now more readily visible to the immune system and thus susceptible to attack and subsequent elimination.

A study published in Science by the Champalimaud Foundation reveals a surprising new role for the immune system. During ...

These diseases are all caused by the immune system being triggered without good reason, and the results can be devastating. In the case of organ transplants, the greatest challenge—after ...

They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, fungi and toxins. A strong immune system can ...

“If you can introduce something that will affect the donor organ, then you can preserve the immune system of the recipient. And in lung transplantation, that’s really important because the lung is one ...

Organ transplants save lives, but unfortunately rejection is a key hurdle. Now scientists have demonstrated a potential new way to prime a recipient’s immune system to accept a transplanted ...

Looking for some ways to rev up your immune system so you don’t get the flu ... Simply put, it’s a balanced network of cells and organs that work together to defend you against disease.

During fasting or exercise, immune cells (red) migrate to the pancreas and stimulate glucagon-producing cells (orange) to regulate blood sugar, with cell nuclei shown in blue. “For decades ...