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Dogs Smell Cancer

Animal RadioThe California study was conducted by the Pine Street Foundation and will be published in integrative cancer studies. It shows that five dogs were 88% to 97% accurate in smelling several types of cancers in breath samples. Dogs may be able to give doctors clues about chemical markers that have not yet been discovered. The knowledge that dogs can detect cancer was initially established in 1989 when a pet’s repeated sniffing of its owner’s skin lesion prompted a cancer diagnosis. Four cancer studies using volunteer dogs from around the country are about to begin. The studies will focus on prostate, mammary, lung and ovarian cancers. Researchers estimate that for accurate results, studies must use at least 108,000 original samples and be precisely staged.