As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is the first line of defense against these types of viral infections and ...

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 ...

Share on Pinterest A new study looks at the benefits of short workouts. Svetlana Repnitskaya/Getty Images A new study finds that short bouts of exercise can help boost your immune system. This is ...

Rochester, Minn. — The immune system is meant to protect the body from infection and disease. But with age, it can become less capable of doing so. However, Mayo Clinic researchers have found that ...

This year’s Nobel Prize in Physiology or Medicine has been awarded to three scientists for discovering a class of immune cells that help to prevent the body from attacking its own tissues. Mary ...