Scientists have uncovered an unexpected mechanism by which the gut’s immune system maintains balance, challenging ...

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

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 ...

Stem-cell researcher Carolina Florian didn’t trust what she was seeing. Her elderly laboratory mice were starting to look younger. They were more sprightly and their coats were sleeker. Yet all she ...

If the COVID-19 pandemic has done one thing, it’s made us all more familiar with some of the important players in the immune system. Antibodies, B cells, and T cells are among the best known parts of ...

Millions of people worldwide carry viral infections they acquired at birth, often for life. For a long time it was assumed ...

New research shows that the lockdowns during the COVID-19 pandemic had a significant impact on people's immune response to microorganisms. During the lockdown, inflammation level in the body was low, ...

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 ...