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Cancer-sniffing dogs are saving lives

Name: Cancer-sniffing dogs are saving lives
Uploaded: 2013-09-21T23:45:00-0400
Duration: 1 min 20 s
Description: Dogs trained to "sniff out" cancer have played an increasing role in early detection. A dog's sense of smell is so refined, it may even detect what type of cancer its smelling. Alfonso Van Marsh reports.

Dogs trained to "sniff out" cancer have played an increasing role in early detection. A dog's sense of smell is so refined, it may even detect what type of cancer its smelling. Alfonso Van Marsh reports.