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, ...

Kate Markey, MBBS, PhD, has discovered a link between the intestinal microbiome and developing chronic graft-versus-host ...

We sometimes hear about the benefits of “boosting” our immune system, but what we really want to do is support our immune system on an ongoing basis. People often think of the immune system as ...

Subscribe to our newsletter for the latest sci-tech news updates. Imagine a high-tech security system, constantly scanning for intruders, identifying threats, calling for backup, neutralizing them, ...

Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side ...

Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

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 ...

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 immune system is one of the body’s most complex and fascinating defence mechanisms. It works tirelessly to protect us from infections, bacteria, viruses, and other harmful invaders. While ...