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 ...

It must be aggressive enough to fight infections and cancer, yet restrained enough to avoid attacking the body's own tissues.

(THE CONVERSATION) 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 ...

David Ewing Duncan has spent the last 25 years being poked and prodded in the name of science. He's signed up for hundreds of tests because, as a journalist, he writes about emerging health ...

In another interesting study, researchers explored whether physical activity can train, strengthen, and protect your immune ...

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 ...

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 with Cleveland Clinic, once we fight ...

'Exercise certainly can boost your immune system, but it’s worth keeping in mind that – as ever – prevention is better than cure. If you’ve already contracted symptoms, it will take more time to ...

From cholera to norovirus, Giardia to hookworms, the gut is vulnerable to an impressive array of pathogens. To keep us alive in the face of this onslaught, the intestinal immune system must be ...

The body’s defenses may be mildly lowered for about 1 to 4 weeks after a single steroid shot into a joint or near your spine. In some people, particularly with higher doses, this effect may last up to ...