16-17 Segment 1: Using Animals To Sniff Out Disease

16-17A Dog Smelling Hand

 

Synopsis: Diseases apparently have distinctive odors that humans can’t detect. Researchers are using dogs, mice, rats and other animals to literally sniff out cancer and other diseases in the laboratory. In the 3rd World, rats are used to diagnose TB. Experts discuss the use of animals to diagnose disease and their efforts to build machines that can do the same thing.

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