Keep kindergartens dirty to help children avoid developing allergies.
I think the research I've seen in this area has been looking at kids younger than kindergarten age. Also, be careful with your dirty -- bug, bird, and rodent droppings may may asthma worse.
This thread is intended to provide a space for 'crazy' ideas. Ideas that spontaneously come to mind (and feel great), ideas you long wanted to tell but never found the place and time for and also for ideas you think should be obvious and simple - but nobody ever mentions them.
This thread itself is such an idea. Or rather the tangent of such an idea which I post below as a seed for this thread.
Rules for this thread:
If this should become a regular thread I suggest the following :