Frat houses across the country are filled with the sound of "nyah nyah nyah nyah nyah"!
The Olympian: Study: Sewer rats are healthier than lab rats
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.
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