Scientists Seek 'Swish and Spit' Test for Cancer

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Researchers are working to develop a test that could detect the presence of certain cancers of the head and neck based on compounds found in saliva. Scientists have found that by looking at samples of saliva from patients with cancer, it was possible to detect cancer in about 42 percent of cases.

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Joseph Califano, associate professor, Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins Medical Institutions

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