Plus, why your diet plays such a crucial role.

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, ...

TOPSHOT - (L-R) The portraits of Mary E Brunkow, Fred Ramsdell and Shimon Sakaguchi are displayed during a press conference where the winners of the 2025 Nobel Prize in Physiology or Medicine are ...

I’ve noticed I’m getting more colds as I get older. What can I do to give my immune system a boost? Like the rest of your body, your immune system ages, too. This contributes to higher rates of ...

Those with aging immune systems struggle to fight off novel viruses and respond weakly to vaccination. Researchers were able to revitalize the immune system in mice. Planes, trains, boats, automobiles ...

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 ...

Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body’s own healthy cells. This careful equilibrium is ...

Additives like aluminum in vaccines can amp up their effectiveness, creating just the right balance of inflammation to prevent disease. In this illustration, an mRNA vaccine messages cells to make the ...