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 ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

The 2025 Nobel Prize in Physiology or Medicine has been awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi for their work on how our immune system is prevented from attacking our organs.

Immune thrombocytopenia (ITP) is a rare blood disorder in which the immune system mistakenly attacks and destroys platelets. Platelets are small blood cells that play a critical role in helping your ...