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How Clean Should We Be?


How Clean Should We Be?  Katrina Charmatz/Getty Images
How Clean Should We Be? Katrina Charmatz/Getty Images

Is our obsession with cleanliness keeping us from peak health? Also, can hookworm cure allergies? Will harvesting panda poop make you rich? And why Amish dust is superior to other dust (seriously!). Featuring Penny Sarchet.