"But when we kill as much as we can, we’re killing at a high rate that may have negative consequences for humankind and our environment.
There are good and bad microorganisms, all with an important role within our ecosystems, just as any other organism. Certain types can make us sick, while others benefit us explicitly.
Of the various microorganisms, there are many beneficial bacteria, such as the commonly called “gut flora” that live in our intestinal track and aid digestion. There are other bacteria that live on our skin that actually help maintain its health."
Callaghan: Overuse of hand sanitizer leads to extermination of beneficial microorganisms | The Daily Orange