Should cities create dirty mud pools as children's playgrounds?
There is growing evidence that the overuse of anti-biotics and excessive personal "hygiene" are creating weak people and diseases.
We urbanites have become too clean. Our houses are like clinical labs, our children's playgrounds are concrete bunkers, our food is probably too lifeless.
It is time to take microbiology serious again. After the great wave of discoveries showing our bad microbes and how to fight them, we're now on a new wave, showing how good some microbes are.
In anticipation of these discoveries: shouldn't cities build "controlled" dirty and muddy playgrounds for kids? So they can come into contact with our good microbes and boost their immune system.