The immune system protects the body against illness and infection that bacteria, viruses, fungi or parasites can cause. It is a collection of reactions and responses that the body makes to damaged ...

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, ...

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 ...

There seems to be a constant stream of articles in newspapers and on the internet suggesting that we can ‘boost’ our immune system by taking vitamins, minerals and probiotics, or by eating particular ...

It is a cold morning in the depths of winter. And I feel like I've left my sanity as well as my warm clothes in the changing room as I stride out to the edge of a reservoir in my swim shorts. A ...

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 ...

You have probably heard that loading up on vitamin C will ward off a cold, or perhaps TikTok has influenced you to take turmeric or some other supplement to supercharge your immune system. The problem ...