Think that irradiation is the answer to gastrointestinal woes? Think again! According to Kent Sepkowitz, what Americans really need to do is "ingest more excrement."

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While munching on manure is anything but appetizing, I've certainly been swayed by the numerous articles that blame everything from allergies to drug-resistant strains of bacteria on our obsession with cleanliness.

For that reason, I will now eat food that I've dropped on the floor whereas I used to throw it away or scrub it thoroughly. And I'm slightly less paranoid about food that has been in "the danger zone" than I used to be.