Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

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, ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Aptamers are short, single-stranded nucleic acids that can fold into specific three-dimensional structures, allowing them to bind target molecules with high ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

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 ...

Invisible particles in the air are not just irritating our lungs, they are quietly rewiring the immune system that is supposed to protect us. A growing body of research suggests that long before ...