Mucus. Friend or foe?

Mucus is an important viscous fluid that lubricates and protects the digestive and respiratory passages in the body.  Mucus-producing tissue lines the mouth, nose, sinuses, throat, lungs, and gastrointestinal tract, trapping unwanted substances like bacteria and dust. Mucus is more than just sticky goo, it also contains antibodies that help the body...
February 29, 2016 by Ian Hayward