Number of dogs that a California clinic trained to diagnose cancer by sniffing patients’ breath: 5[Nicholas Broffman, Pine Street Foundation (San Anselmo, Calif.)]
Percentage of lung- and breast-cancer cases that they accurately detect, respectively: 99, 88[Nicholas Broffman, Pine Street Foundation (San Anselmo, Calif.)]
Percentage of breast-cancer cases that are detectable by mammogram: 85[Carol Lee, Yale School of Medicine (New Haven, Conn.)]
Now, I want to know why there are only five of those dogs trained. And I want to know what the hell they're smelling for. AND, most importantly--based on my serious scientific curiosity--I want to know how a human taught them what to sniff for.
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