Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

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

Researchers at the University of Virginia School of Medicine have identified a specific enzyme inside immune cells that keeps Toxoplasma gondii, one of the most common brain parasites on the planet, ...

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, ...

Tuberculosis, caused by the bacterium Mycobacterium tuberculosis (Mtb) kills upwards of 1.6 million people a year, making it one of the leading causes of death by an infectious agent worldwide -- and ...

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 ...

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 ...

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 ...