Dogs can already sniff out bombs, drugs, and contraband foodstuffs. Now, researchers think they can train them to sniff out colorectal cancer.
Japanese scientists trained a black Labrador Retriever, named Marine, that they say can sniff out colorectal cancer with up to 98 percent accuracy. Better yet perhaps, her abilities are more accurate than some tests currently used to diagnose the cancer, namely the fecal occult blood test, which accurately predicts the cancer only 10 percent of the time.
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