Your immune system affects more than just infections. Discover how it shapes energy, aging, and overall health—and how to strengthen it.

Patients — especially, and most strikingly, young and otherwise healthy men — began appearing in doctor’s offices and ...

Researchers have developed a computer model to help scientists identify tumor-fighting immune cells in patients with lung cancer treated with immune checkpoint inhibitors.

Clinical trial using the same technology as Covid-19 vaccines is designed to fight colorectal cancer and prevent it from ...

The vaccine acts like a "wanted poster" unmasking cancer cells that are adept at hiding in the body, only to resurface later.

Donald Trump’s pick for health secretary had a particularly tough confirmation hearing—thanks to his own comments.