intuitively, they may seem more hygenic, in fact they are not!! The
Food Research Institute of Wisconsin-Madison concluded that wood
cutting boards are more hygenic and that bacteria die quicker on wood
than plastic. Go to this address:
http://sunsite.unc.edu/london/rural/woodworking/misc/cutting-board-finis
h.SUMMARY, "Conventional Wisdom Falls Flat", to see more about this. I
say, throw out your plastic boards and stay with wood.
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