Prolonged illnesses, such as cancer and persistent infections, can fatigue the immune system, causing its frontline defenders, T cells, to lose their ability to act efficiently. The Peter Doherty ...

A discovery about the mechanisms that enable the immune system to sustain long-term protection could revolutionize treatment for chronic disease and cancer.

Prolonged illnesses like cancer and chronic infections often leave the immune system in a state of exhaustion, where its ...

Peter Aitken is a Newsweek Politics Editor based in New York. His focus is domestic U.S. politics, but he has experience covering Foreign Affairs, Business and Technology. Peter joined Newsweek in ...