Some dirt won’t hurt

It could even lower risks of serious allergic disease

By Alison Pearce Stevens, 18:12 PM July 17, 2013

Wash your hands!


That familiar piece of advice helps prevent the spread of disease. Good old soap and water remove the bacteria, viruses and other germs that can make you sick. But is there any big advantage to soap laced with bacteria-killing chemicals? Should people sanitize computer keyboards, shopping cart handles and anything else that others have touched?


Indeed, is it possible to be too clean?


Actually, data show, it is. A growing number of studies suggest that routing too many germs m...

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