The immune system is the frontline protection against infection, continually searching for and destroying unknown pathogens.

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

Men and women experience immune aging differently, affecting disease risks. New data-driven research identifies key ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

The human body operates like a finely tuned orchestra, with each system playing its part in perfect harmony. However, sometimes this delicate balance breaks down in ways that can leave people ...

I am lying under a blanket, feeling rough, staring at a bowl of oranges. Every fibre of my being is urging me to devour the lot. I can hear my mum – and medical friends at university – insisting that ...