Issue Date: September 22, 2008
Sniffing Out Cancer
LONG BEFORE BLOOD TESTS and MRI scans were invented, physicians relied on their sense of smell to help diagnose patients' ailments. Researchers are now updating this practice so doctors can use sensors and other devices to analyze the volatile compounds their patients emit. Such techniques could conceivably be used as the basis for rapid, noninvasive procedures for early detection of diseases such as cancer.
The use of odors as diagnostic clues has ancient roots, according . . .
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