People have been going to doctors’ offices for at least a century without worrying too much about any germs they might pick up there. But if you are concerned, you can reduce your family’s risk by taking a few simple precautions.

Some scientists from Duke University Medical School think they have figured out the real job of the troublesome and seemingly useless appendix: It produces and protects good germs for the gut.

Soap and Detergent Association (SDA) Highlights Safe, Beneficial Usage by Millions Every Day