For decades, aging has looked like an unavoidable slide into frailty, driven in part by an immune system that slowly loses ...

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 ...

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 ...

As the temperature drops and sniffles start making their rounds, we’re all thinking about ways to strengthen our immunity: vitamin C, hand sanitizer, maybe a flu shot. But while you’re focused on ...

Mary E. Brunkow, Fred Ramsdell and Dr. Shimon Sakaguchi won the Nobel Prize in medicine on Monday for their discoveries concerning peripheral immune tolerance. Brunkow, 64, is a senior program manager ...

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led ...

Antimicrobial resistance—when bacteria and fungi defend themselves against the drugs designed to kill them—is an urgent ...

Invisible particles in the air are not just irritating our lungs, they are quietly rewiring the immune system that is ...

Groundbreaking new tests reveal patterns in our immune systems that can signal underlying disease and tell us how well we might recover from our next cold. I got my results in a text message. The ...