immune system

The structure "remembers" past infections and helps the body mount a response.

The research suggests the immune system could be stronger in older age than previously thought.

Doctors gave Judy Perkins months to live, but researchers were able to save her life by harnessing her immune system to attack her cancer.

Bill Gates claimed that President Donald Trump asked him to explain the difference between HIV and HPV.

Mosquito saliva may be increasing the severity of diseases.

Researchers gave mice Western diets to see how their immune systems would react.

Researchers are using LED light to push immune cells into killing tumors—and it just might work.

A new study shows exposure to blue and ultraviolet light increases the movement of T cells, a key part of the immune system.

Swabbing infants with vaginal fluid is more likely to introduce them to an infection than healthy bacteria.

Until recently a mystery, tuft cells are now the focus of research into the body's immune system.

A new study finds sex causes physiological changes that also increase the chance for pregnancy.

Cancer experts expressed hope after learning that former President Jimmy Carter's melanoma would be treated with Merck & Co's Keytruda drug.

The tool is expected to help doctors find hard-to-detect infections in time to stop them in their tracks.

Chad Hayes on why he allowed his baby to be given all the shots.