Overuse happens precisely because they are so good at what they do. Moreover, at a first approximation, overuse results simply in a return to a previous state o

Overuse happens precisely because they are so good at what they do. Moreover, at a first approximation, overuse results simply in a return to a previous state of no good defense against newly-resistant bugs. So in the worst case scenario, antibiotics bought us a century of better health; that’s pretty magical.