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 ...

How people with compromised immune systems respond to vaccines is an important area of immunological research. A study led by ...

A leading longevity scientist argues that caring for your immune system — not just your brain — is central to aging well and staying healthy longer.

Add Yahoo as a preferred source to see more of our stories on Google. These immunity-supporting foods can help you stay healthy and vibrant all winter long. With cold and flu season around the corner, ...

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