Study shows that over-cleanliness negatively affects immune system
Green (Living) Review
DECEMBER 29, 2010
by Michael Smith (Veshengro) How many more studies will they need. Some years back – and I wrote about it in “Grandma was right after all. a little dirt does not hurt” – the discovery, which every Elder knew, was made that a little dirt is, in fact good for kids. In a never-ending quest to eliminate human contact with germs, science has given society a number of hygienic chemicals.