immune system cells

Bats host more pathogens than most other mammals. Why aren’t they always sick?

Immune cells build up strength against common bugs we encounter everywhere, and this helps us resist more dangerous ones. Kids eating dirt: Maybe a good thing.

The prize, awarded jointly to three scientists, celebrates the discovery of the immune system's front-line responders--though one winner succumbed to cancer three days before

"Probiotics" in yogurt earn their stripes through a major advance in oral drug delivery research

One hour of additional sleep at night may be your best defense against the common cold

We must intervene to halt these aging processes, says Aubrey De Grey. the rub is, no one has figured out how