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 ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

It’s cold and flu season and most of us will encounter a virus at some point. So, how does our immune system work to keep us healthy? According to Dr. Michaela Gack, Scientific Director of the ...

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 ...

A new study traces the molecular pathway connecting the gut immune system to the brain during a parasitic infection, ...

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Mary E. Brunkow, Fred Ramsdell and Dr. Shimon Sakaguchi won the Nobel Prize in medicine on Monday for their discoveries concerning peripheral immune tolerance. Brunkow, 64, is a senior program manager ...

A balanced immune system can better control many diseases, including heart disease, which is linked to chronic inflammation. A high-functioning immune system can even aid in cancer surveillance by ...

There are vaccines you can get to prevent illness and medicine you can take to treat it. But in between, eating foods that boost immunity can help keep your immune system strong and functioning ...

We all get sick sometimes. Even something pretty minor, like a cold or flu, can be enough to disrupt your life for a few days. When you have a minor illness, it does more than just make you feel ...