Whenever the immune system fights a pathogen, it has a memory of that experience, whether it's with an invader or a vaccine that mimics an infection, for example. Scientists have now developed a way ...

The idea of turning back the clock on the immune system has moved from science fiction to a concrete experimental strategy. A cluster of new studies suggests it may be possible to restore some of the ...

As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA to the liver, they created a temporary source of immune-boosting signals ...

Gut bacteria aren’t just passive passengers—they can actively send proteins straight into our cells. Using microscopic injection systems, even harmless microbes can influence immune responses and ...

From childhood coughs and colds, through meningitis B in teens and shingles in older people, here’s how our immunity to ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Yep, a new Scientific Reports study found that endurance exercise (think: long ...