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 ...

As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

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

Human immunodeficiency virus 1, more commonly known as HIV-1, is known for its uncanny ability to evade the immune system. Scientists at Scripps Research and collaborators have now uncovered how our ...

A peek inside some leading research labs shows how scientists-turned-detectives are painstakingly decoding what causes ...

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is the first line of defense against these types of viral infections and ...

An international team of researchers reports that the immune cells of older adults with a history of endurance training are more effective at combating inflammation. Regular physical activity not only ...

Scientists have discovered why type 1 diabetes is more severe and aggressive when it develops in young children. Type 1 is ...

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 ...