Beneath the surface of your gut lies a vast network of neurons—as many as in your spinal cord. New research from the ...

Vaccines are among the greatest achievements in medical science, saving millions of lives every year. They protect individuals and entire communities from infectious diseases such as measles, polio, ...

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 ...

New research from RCSI University of Medicine and Health Sciences has explained how the body’s internal clock influences the inflammatory process of the immune system. The findings describe how immune ...

The concept of using the immune system to treat cancer is old, but the ability to do so has dramatically improved.

It must be aggressive enough to fight infections and cancer, yet restrained enough to avoid attacking the body's own tissues.

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 ...

The human body’s defensive lineup is impressive—from made-to-order antibodies to natural-born killers. Here’s how it wards off sickness in every season. When pathogens invade our bodies—in the form of ...

Research details the importance of maintaining the body's rhythm for optimal health so NBC News medical contributor Dr. John ...

Experts weigh in on whether cold water swimming, drinking kombucha and taking vitamins can boost your immune system.