Vitamin C and zinc are common supplements for immune health, but do they do anything? Here's what doctors say.

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is ...

The immune system is complex with many moving parts. Research shows that consistent lifestyle habits, like adequate sleep, ...

What are called autoimmune diseases can affect just about every part of the body – and tens of millions of people. Other ...

But while you’re focused on keeping your internal defenses strong, there’s another immune system you probably haven’t thought ...

A longevity expert reveals how immune systems begin aging after 35, making people more susceptible to infections and immune-related disorders over time.

A new pancreatic cancer therapy targets sugar molecules on cell surfaces, offering hope where traditional immunotherapies ...

Doctor after doctor misdiagnosed or shrugged off Ruth Wilson’s rashes, swelling, fevers and severe pain for six years. She ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Seles’ first symptoms appeared suddenly around three years ago. She began having double vision and weakness in her arms and ...