Dogs try to sniff out cancer — and even predict it — in Calgary study

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http://i.cbc.ca/1.3375287.1450737509!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/cancer-sniffing-dogs.jpg Scientists have already had some success using dogs to sniff out cancer, but now a group of Calgary researchers is testing whether the animals can pinpoint people who are at risk of getting the disease.


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