A new study has discovered a molecular signal that tumors exploit to exhaust the T cells meant to destroy them—and how ...

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 ...

Researchers found a hidden signal that makes T cells shut down during cancer fights. Turning off this signal reawakens the ...

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

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 ...

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

Though the NHS recommends most adults consider taking vitamin D until around March as daylight hours shrink, the service also noted: “There’s little evidence that supplements such as vitamin C, ...

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 ...