I say live and let live... don't vacuum your carpets for a month then lick them to build up your immune system like tulkas said. Hell get the kids to join in.
__________________ If at first you don't succeed, you fail. - Portal
I could stick some RAM in that if you know what I mean! - Teck
Yeah, I mean I haven't washed my bed sheets in over three years and I hardly ever get sick. I also take the opportunity to lick carpets and doormats wherever I go. The more variety the better.