We'll Bear This In Mind Should You Need Assisted Living

They look harmless and they act sweet, but Grandmas'll knife ya in the back as soon as lookitcha. No sooner had I accustomed the kids to picking up their rooms before bed than Grandma helpfully sent them this article.

Gritty rats and mice living in sewers and farms seem to have healthier immune systems than their squeaky clean cousins that frolic in cushy antiseptic labs, two studies indicate. The lesson for humans: Clean living may make us sick.

Thanks heaps, Gram!