The 2025 Nobel Prize in physiology or medicine has been awarded to a trio of scientists for unraveling how the immune system protects us from thousands of different microbes trying to invade our ...

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 ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Peripheral immune tolerance is one way the body helps keep the immune system from getting out of whack and attacking your own ...