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Dog trained to sniff out gluten

Valerie Lego, WZZM 7:21 p.m. EST November 19, 2014

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Willow the gluten sniffing dog(Photo: WZZM)

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(WZZM) -- It's hard to imagine not being able to go to the grocery store because you're afraid of a life threatening allergic reaction, but unfortunately it's a reality for some Americans.

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