February 8, 2013
Feeding Your Kids Dirt Might Just Be a Good Idea
Rebecca Boyle, Popular Science
Immune cells are like the Hatfields and McCoys of our bodies--once wronged, they never, ever forget. This is how we gain immunity, and it’s why vaccines work: Immune cells develop a memory of an invading pathogen, and they build an alert system to find and fight it should it ever return. But a new study by Stanford researchers adds a new wrinkle to this long-held immune theory.
TAGGED: Environment, T-cells, Immunity, Immune System