These bacteria form communities that help digest food, fend off harmful microbes, and play many other roles in maintaining ...

The immune system is a complex network of cells, tissues, and organs that help the body fend off infection from outsider invaders, like bacteria, viruses, fungi, and toxins. It's a highly adaptive ...

The human gut is home to trillions of microbes that not only aid in digestion, but also play a key role in shaping our immune ...

Implanted tubes that transport bodily fluids can get gross. A lab prototype suggests a new vibration-based way to keep them clean and prevent infection.